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: [82.989, 76.13, 67.489, -80.191, 69.768, 131.756, -15.723, 213.414]
Output:
[ 0.152  0.14   0.124 -0.147  0.128  0.241 -0.029  0.391]