Home / 198,520.13-273,957.78-109,096.13

Finding the Fourth Proportional to 198,520.13, 273,957.78 and 109,096.13

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Solution

The fourth proportional to 198,520.13, 273,957.78 and 109,096.13 is: 150,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,520.13 : 273,957.78 = 109,096.13 : x
  2. Step 2: Convert to fraction form
    198,520.13/273,957.78 = 109,096.13/x
  3. Step 3: Cross multiply
    198,520.13x = 273,957.78 × 109,096.13
  4. Step 4: Simplify right side
    198,520.13x = 29,887,732,211.60
  5. Step 5: Solve for x
    x = 29,887,732,211.60/198,520.13
  6. Step 6: Final answer
    x = 150,552.66

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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.