Home / 432,116.10-648,164.79-132,589.89

Finding the Fourth Proportional to 432,116.10, 648,164.79 and 132,589.89

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Solution

The fourth proportional to 432,116.10, 648,164.79 and 132,589.89 is: 198,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,116.10 : 648,164.79 = 132,589.89 : x
  2. Step 2: Convert to fraction form
    432,116.10/648,164.79 = 132,589.89/x
  3. Step 3: Cross multiply
    432,116.10x = 648,164.79 × 132,589.89
  4. Step 4: Simplify right side
    432,116.10x = 85,940,098,207.97
  5. Step 5: Solve for x
    x = 85,940,098,207.97/432,116.10
  6. Step 6: Final answer
    x = 198,881.96

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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.