Home / 121,654.43-182,481.62-62,457.20

Finding the Fourth Proportional to 121,654.43, 182,481.62 and 62,457.20

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Solution

The fourth proportional to 121,654.43, 182,481.62 and 62,457.20 is: 93,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,654.43 : 182,481.62 = 62,457.20 : x
  2. Step 2: Convert to fraction form
    121,654.43/182,481.62 = 62,457.20/x
  3. Step 3: Cross multiply
    121,654.43x = 182,481.62 × 62,457.20
  4. Step 4: Simplify right side
    121,654.43x = 11,397,289,811.97
  5. Step 5: Solve for x
    x = 11,397,289,811.97/121,654.43
  6. Step 6: Final answer
    x = 93,685.78

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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.