Home / 156,117.64-215,446.28-95,721.59

Finding the Fourth Proportional to 156,117.64, 215,446.28 and 95,721.59

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Solution

The fourth proportional to 156,117.64, 215,446.28 and 95,721.59 is: 132,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,117.64 : 215,446.28 = 95,721.59 : x
  2. Step 2: Convert to fraction form
    156,117.64/215,446.28 = 95,721.59/x
  3. Step 3: Cross multiply
    156,117.64x = 215,446.28 × 95,721.59
  4. Step 4: Simplify right side
    156,117.64x = 20,622,860,481.19
  5. Step 5: Solve for x
    x = 20,622,860,481.19/156,117.64
  6. Step 6: Final answer
    x = 132,098.21

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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.