Home / 131,445.92-181,206.56-93,654.56

Finding the Fourth Proportional to 131,445.92, 181,206.56 and 93,654.56

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Solution

The fourth proportional to 131,445.92, 181,206.56 and 93,654.56 is: 129,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,445.92 : 181,206.56 = 93,654.56 : x
  2. Step 2: Convert to fraction form
    131,445.92/181,206.56 = 93,654.56/x
  3. Step 3: Cross multiply
    131,445.92x = 181,206.56 × 93,654.56
  4. Step 4: Simplify right side
    131,445.92x = 16,970,820,645.91
  5. Step 5: Solve for x
    x = 16,970,820,645.91/131,445.92
  6. Step 6: Final answer
    x = 129,108.77

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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.