Home / 159,627.38-220,275.68-88,007.90

Finding the Fourth Proportional to 159,627.38, 220,275.68 and 88,007.90

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Solution

The fourth proportional to 159,627.38, 220,275.68 and 88,007.90 is: 121,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,627.38 : 220,275.68 = 88,007.90 : x
  2. Step 2: Convert to fraction form
    159,627.38/220,275.68 = 88,007.90/x
  3. Step 3: Cross multiply
    159,627.38x = 220,275.68 × 88,007.90
  4. Step 4: Simplify right side
    159,627.38x = 19,386,000,017.87
  5. Step 5: Solve for x
    x = 19,386,000,017.87/159,627.38
  6. Step 6: Final answer
    x = 121,445.33

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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.