Home / 198,739.04-274,245.75-108,093.15

Finding the Fourth Proportional to 198,739.04, 274,245.75 and 108,093.15

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Solution

The fourth proportional to 198,739.04, 274,245.75 and 108,093.15 is: 149,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,739.04 : 274,245.75 = 108,093.15 : x
  2. Step 2: Convert to fraction form
    198,739.04/274,245.75 = 108,093.15/x
  3. Step 3: Cross multiply
    198,739.04x = 274,245.75 × 108,093.15
  4. Step 4: Simplify right side
    198,739.04x = 29,644,086,991.61
  5. Step 5: Solve for x
    x = 29,644,086,991.61/198,739.04
  6. Step 6: Final answer
    x = 149,160.86

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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.