Home / 331,385.13-496,773.97-129,117.70

Finding the Fourth Proportional to 331,385.13, 496,773.97 and 129,117.70

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Solution

The fourth proportional to 331,385.13, 496,773.97 and 129,117.70 is: 193,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,385.13 : 496,773.97 = 129,117.70 : x
  2. Step 2: Convert to fraction form
    331,385.13/496,773.97 = 129,117.70/x
  3. Step 3: Cross multiply
    331,385.13x = 496,773.97 × 129,117.70
  4. Step 4: Simplify right side
    331,385.13x = 64,142,312,426.27
  5. Step 5: Solve for x
    x = 64,142,312,426.27/331,385.13
  6. Step 6: Final answer
    x = 193,558.21

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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.