Home / 198,821.66-274,365.68-108,177.98

Finding the Fourth Proportional to 198,821.66, 274,365.68 and 108,177.98

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Solution

The fourth proportional to 198,821.66, 274,365.68 and 108,177.98 is: 149,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,821.66 : 274,365.68 = 108,177.98 : x
  2. Step 2: Convert to fraction form
    198,821.66/274,365.68 = 108,177.98/x
  3. Step 3: Cross multiply
    198,821.66x = 274,365.68 × 108,177.98
  4. Step 4: Simplify right side
    198,821.66x = 29,680,325,043.73
  5. Step 5: Solve for x
    x = 29,680,325,043.73/198,821.66
  6. Step 6: Final answer
    x = 149,281.14

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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.