Home / 126,355.38-174,307.50-75,332.19

Finding the Fourth Proportional to 126,355.38, 174,307.50 and 75,332.19

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Solution

The fourth proportional to 126,355.38, 174,307.50 and 75,332.19 is: 103,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.38 : 174,307.50 = 75,332.19 : x
  2. Step 2: Convert to fraction form
    126,355.38/174,307.50 = 75,332.19/x
  3. Step 3: Cross multiply
    126,355.38x = 174,307.50 × 75,332.19
  4. Step 4: Simplify right side
    126,355.38x = 13,130,965,708.43
  5. Step 5: Solve for x
    x = 13,130,965,708.43/126,355.38
  6. Step 6: Final answer
    x = 103,920.91

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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.