Home / 198,032.50-273,302.13-108,625.78

Finding the Fourth Proportional to 198,032.50, 273,302.13 and 108,625.78

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Solution

The fourth proportional to 198,032.50, 273,302.13 and 108,625.78 is: 149,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,032.50 : 273,302.13 = 108,625.78 : x
  2. Step 2: Convert to fraction form
    198,032.50/273,302.13 = 108,625.78/x
  3. Step 3: Cross multiply
    198,032.50x = 273,302.13 × 108,625.78
  4. Step 4: Simplify right side
    198,032.50x = 29,687,657,046.91
  5. Step 5: Solve for x
    x = 29,687,657,046.91/198,032.50
  6. Step 6: Final answer
    x = 149,913.05

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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.