Home / 198,883.80-274,454.46-108,241.56

Finding the Fourth Proportional to 198,883.80, 274,454.46 and 108,241.56

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Solution

The fourth proportional to 198,883.80, 274,454.46 and 108,241.56 is: 149,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.80 : 274,454.46 = 108,241.56 : x
  2. Step 2: Convert to fraction form
    198,883.80/274,454.46 = 108,241.56/x
  3. Step 3: Cross multiply
    198,883.80x = 274,454.46 × 108,241.56
  4. Step 4: Simplify right side
    198,883.80x = 29,707,378,899.36
  5. Step 5: Solve for x
    x = 29,707,378,899.36/198,883.80
  6. Step 6: Final answer
    x = 149,370.53

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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.