Home / 132,342.76-198,514.16-38,848.52

Finding the Fourth Proportional to 132,342.76, 198,514.16 and 38,848.52

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Solution

The fourth proportional to 132,342.76, 198,514.16 and 38,848.52 is: 58,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,342.76 : 198,514.16 = 38,848.52 : x
  2. Step 2: Convert to fraction form
    132,342.76/198,514.16 = 38,848.52/x
  3. Step 3: Cross multiply
    132,342.76x = 198,514.16 × 38,848.52
  4. Step 4: Simplify right side
    132,342.76x = 7,711,981,315.04
  5. Step 5: Solve for x
    x = 7,711,981,315.04/132,342.76
  6. Step 6: Final answer
    x = 58,272.79

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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.