Home / 129,320.13-193,854.39-61,834.64

Finding the Fourth Proportional to 129,320.13, 193,854.39 and 61,834.64

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Solution

The fourth proportional to 129,320.13, 193,854.39 and 61,834.64 is: 92,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,320.13 : 193,854.39 = 61,834.64 : x
  2. Step 2: Convert to fraction form
    129,320.13/193,854.39 = 61,834.64/x
  3. Step 3: Cross multiply
    129,320.13x = 193,854.39 × 61,834.64
  4. Step 4: Simplify right side
    129,320.13x = 11,986,915,448.80
  5. Step 5: Solve for x
    x = 11,986,915,448.80/129,320.13
  6. Step 6: Final answer
    x = 92,691.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.