Home / 198,821.60-274,365.59-108,177.93

Finding the Fourth Proportional to 198,821.60, 274,365.59 and 108,177.93

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Solution

The fourth proportional to 198,821.60, 274,365.59 and 108,177.93 is: 149,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,821.60 : 274,365.59 = 108,177.93 : x
  2. Step 2: Convert to fraction form
    198,821.60/274,365.59 = 108,177.93/x
  3. Step 3: Cross multiply
    198,821.60x = 274,365.59 × 108,177.93
  4. Step 4: Simplify right side
    198,821.60x = 29,680,301,589.43
  5. Step 5: Solve for x
    x = 29,680,301,589.43/198,821.60
  6. Step 6: Final answer
    x = 149,281.07

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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.