Home / 198,686.52-274,190.64-108,044.28

Finding the Fourth Proportional to 198,686.52, 274,190.64 and 108,044.28

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Solution

The fourth proportional to 198,686.52, 274,190.64 and 108,044.28 is: 149,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,686.52 : 274,190.64 = 108,044.28 : x
  2. Step 2: Convert to fraction form
    198,686.52/274,190.64 = 108,044.28/x
  3. Step 3: Cross multiply
    198,686.52x = 274,190.64 × 108,044.28
  4. Step 4: Simplify right side
    198,686.52x = 29,624,730,281.54
  5. Step 5: Solve for x
    x = 29,624,730,281.54/198,686.52
  6. Step 6: Final answer
    x = 149,102.87

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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.