Home / 167,513.09-231,170.31-91,033.70

Finding the Fourth Proportional to 167,513.09, 231,170.31 and 91,033.70

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Solution

The fourth proportional to 167,513.09, 231,170.31 and 91,033.70 is: 125,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,513.09 : 231,170.31 = 91,033.70 : x
  2. Step 2: Convert to fraction form
    167,513.09/231,170.31 = 91,033.70/x
  3. Step 3: Cross multiply
    167,513.09x = 231,170.31 × 91,033.70
  4. Step 4: Simplify right side
    167,513.09x = 21,044,288,399.79
  5. Step 5: Solve for x
    x = 21,044,288,399.79/167,513.09
  6. Step 6: Final answer
    x = 125,627.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.