Home / 198,964.06-274,572.06-108,320.66

Finding the Fourth Proportional to 198,964.06, 274,572.06 and 108,320.66

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Solution

The fourth proportional to 198,964.06, 274,572.06 and 108,320.66 is: 149,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,964.06 : 274,572.06 = 108,320.66 : x
  2. Step 2: Convert to fraction form
    198,964.06/274,572.06 = 108,320.66/x
  3. Step 3: Cross multiply
    198,964.06x = 274,572.06 × 108,320.66
  4. Step 4: Simplify right side
    198,964.06x = 29,741,825,654.70
  5. Step 5: Solve for x
    x = 29,741,825,654.70/198,964.06
  6. Step 6: Final answer
    x = 149,483.41

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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.