Home / 157,195.64-216,865.86-96,748.04

Finding the Fourth Proportional to 157,195.64, 216,865.86 and 96,748.04

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Solution

The fourth proportional to 157,195.64, 216,865.86 and 96,748.04 is: 133,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,195.64 : 216,865.86 = 96,748.04 : x
  2. Step 2: Convert to fraction form
    157,195.64/216,865.86 = 96,748.04/x
  3. Step 3: Cross multiply
    157,195.64x = 216,865.86 × 96,748.04
  4. Step 4: Simplify right side
    157,195.64x = 20,981,346,897.91
  5. Step 5: Solve for x
    x = 20,981,346,897.91/157,195.64
  6. Step 6: Final answer
    x = 133,472.83

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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.