Home / 198,061.23-273,324.65-107,417.18

Finding the Fourth Proportional to 198,061.23, 273,324.65 and 107,417.18

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Solution

The fourth proportional to 198,061.23, 273,324.65 and 107,417.18 is: 148,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,061.23 : 273,324.65 = 107,417.18 : x
  2. Step 2: Convert to fraction form
    198,061.23/273,324.65 = 107,417.18/x
  3. Step 3: Cross multiply
    198,061.23x = 273,324.65 × 107,417.18
  4. Step 4: Simplify right side
    198,061.23x = 29,359,761,223.78
  5. Step 5: Solve for x
    x = 29,359,761,223.78/198,061.23
  6. Step 6: Final answer
    x = 148,235.78

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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.