Given the task definition and input, reply with output. In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[148.178, 128.42, -10.759, 217.478, 180.47, -86.985, 120.712, -21.777]

[ 0.219  0.19  -0.016  0.322  0.267 -0.129  0.179 -0.032]