Home / 198,462.20-273,876.75-107,817.44

Finding the Fourth Proportional to 198,462.20, 273,876.75 and 107,817.44

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Solution

The fourth proportional to 198,462.20, 273,876.75 and 107,817.44 is: 148,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,462.20 : 273,876.75 = 107,817.44 : x
  2. Step 2: Convert to fraction form
    198,462.20/273,876.75 = 107,817.44/x
  3. Step 3: Cross multiply
    198,462.20x = 273,876.75 × 107,817.44
  4. Step 4: Simplify right side
    198,462.20x = 29,528,690,060.52
  5. Step 5: Solve for x
    x = 29,528,690,060.52/198,462.20
  6. Step 6: Final answer
    x = 148,787.48

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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.