Home / 198,613.17-274,087.46-107,969.92

Finding the Fourth Proportional to 198,613.17, 274,087.46 and 107,969.92

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Solution

The fourth proportional to 198,613.17, 274,087.46 and 107,969.92 is: 148,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,613.17 : 274,087.46 = 107,969.92 : x
  2. Step 2: Convert to fraction form
    198,613.17/274,087.46 = 107,969.92/x
  3. Step 3: Cross multiply
    198,613.17x = 274,087.46 × 107,969.92
  4. Step 4: Simplify right side
    198,613.17x = 29,593,200,713.91
  5. Step 5: Solve for x
    x = 29,593,200,713.91/198,613.17
  6. Step 6: Final answer
    x = 148,999.19

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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.