Home / 198,772.26-274,313.43-113,906.13

Finding the Fourth Proportional to 198,772.26, 274,313.43 and 113,906.13

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Solution

The fourth proportional to 198,772.26, 274,313.43 and 113,906.13 is: 157,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,772.26 : 274,313.43 = 113,906.13 : x
  2. Step 2: Convert to fraction form
    198,772.26/274,313.43 = 113,906.13/x
  3. Step 3: Cross multiply
    198,772.26x = 274,313.43 × 113,906.13
  4. Step 4: Simplify right side
    198,772.26x = 31,245,981,218.33
  5. Step 5: Solve for x
    x = 31,245,981,218.33/198,772.26
  6. Step 6: Final answer
    x = 157,194.88

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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.