Home / 198,463.20-273,879.54-107,819.52

Finding the Fourth Proportional to 198,463.20, 273,879.54 and 107,819.52

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Solution

The fourth proportional to 198,463.20, 273,879.54 and 107,819.52 is: 148,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,463.20 : 273,879.54 = 107,819.52 : x
  2. Step 2: Convert to fraction form
    198,463.20/273,879.54 = 107,819.52/x
  3. Step 3: Cross multiply
    198,463.20x = 273,879.54 × 107,819.52
  4. Step 4: Simplify right side
    198,463.20x = 29,529,560,540.62
  5. Step 5: Solve for x
    x = 29,529,560,540.62/198,463.20
  6. Step 6: Final answer
    x = 148,791.11

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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.