Home / 129,610.97-194,134.58-62,910.71

Finding the Fourth Proportional to 129,610.97, 194,134.58 and 62,910.71

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Solution

The fourth proportional to 129,610.97, 194,134.58 and 62,910.71 is: 94,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,610.97 : 194,134.58 = 62,910.71 : x
  2. Step 2: Convert to fraction form
    129,610.97/194,134.58 = 62,910.71/x
  3. Step 3: Cross multiply
    129,610.97x = 194,134.58 × 62,910.71
  4. Step 4: Simplify right side
    129,610.97x = 12,213,143,948.80
  5. Step 5: Solve for x
    x = 12,213,143,948.80/129,610.97
  6. Step 6: Final answer
    x = 94,229.25

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1.5x scale

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.