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.
Q: [-81.794, -64.395, -79.319, 158.778, 83.741]
A: 
[-4.808 -3.785 -4.663  9.334  4.923]