Home / 198,660.45-274,149.99-108,016.39

Finding the Fourth Proportional to 198,660.45, 274,149.99 and 108,016.39

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Solution

The fourth proportional to 198,660.45, 274,149.99 and 108,016.39 is: 149,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,660.45 : 274,149.99 = 108,016.39 : x
  2. Step 2: Convert to fraction form
    198,660.45/274,149.99 = 108,016.39/x
  3. Step 3: Cross multiply
    198,660.45x = 274,149.99 × 108,016.39
  4. Step 4: Simplify right side
    198,660.45x = 29,612,691,342.73
  5. Step 5: Solve for x
    x = 29,612,691,342.73/198,660.45
  6. Step 6: Final answer
    x = 149,061.84

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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.