Home / 432,446.43-648,731.66-132,952.15

Finding the Fourth Proportional to 432,446.43, 648,731.66 and 132,952.15

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Solution

The fourth proportional to 432,446.43, 648,731.66 and 132,952.15 is: 199,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,446.43 : 648,731.66 = 132,952.15 : x
  2. Step 2: Convert to fraction form
    432,446.43/648,731.66 = 132,952.15/x
  3. Step 3: Cross multiply
    432,446.43x = 648,731.66 × 132,952.15
  4. Step 4: Simplify right side
    432,446.43x = 86,250,268,970.07
  5. Step 5: Solve for x
    x = 86,250,268,970.07/432,446.43
  6. Step 6: Final answer
    x = 199,447.29

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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.