Instructions: 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.
Input: [148.418, 214.822, -69.364, 119.661, 215.54]
Output:
[ 0.236  0.341 -0.11   0.19   0.343]