Home / 198,726.76-274,244.10-108,083.56

Finding the Fourth Proportional to 198,726.76, 274,244.10 and 108,083.56

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Solution

The fourth proportional to 198,726.76, 274,244.10 and 108,083.56 is: 149,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,726.76 : 274,244.10 = 108,083.56 : x
  2. Step 2: Convert to fraction form
    198,726.76/274,244.10 = 108,083.56/x
  3. Step 3: Cross multiply
    198,726.76x = 274,244.10 × 108,083.56
  4. Step 4: Simplify right side
    198,726.76x = 29,641,278,637.00
  5. Step 5: Solve for x
    x = 29,641,278,637.00/198,726.76
  6. Step 6: Final answer
    x = 149,155.95

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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.