Home / 198,654.48-274,148.56-108,016.56

Finding the Fourth Proportional to 198,654.48, 274,148.56 and 108,016.56

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Solution

The fourth proportional to 198,654.48, 274,148.56 and 108,016.56 is: 149,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,654.48 : 274,148.56 = 108,016.56 : x
  2. Step 2: Convert to fraction form
    198,654.48/274,148.56 = 108,016.56/x
  3. Step 3: Cross multiply
    198,654.48x = 274,148.56 × 108,016.56
  4. Step 4: Simplify right side
    198,654.48x = 29,612,584,380.15
  5. Step 5: Solve for x
    x = 29,612,584,380.15/198,654.48
  6. Step 6: Final answer
    x = 149,065.78

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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.