Home / 198,256.47-273,594.17-107,612.43

Finding the Fourth Proportional to 198,256.47, 273,594.17 and 107,612.43

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Solution

The fourth proportional to 198,256.47, 273,594.17 and 107,612.43 is: 148,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,256.47 : 273,594.17 = 107,612.43 : x
  2. Step 2: Convert to fraction form
    198,256.47/273,594.17 = 107,612.43/x
  3. Step 3: Cross multiply
    198,256.47x = 273,594.17 × 107,612.43
  4. Step 4: Simplify right side
    198,256.47x = 29,442,133,736.56
  5. Step 5: Solve for x
    x = 29,442,133,736.56/198,256.47
  6. Step 6: Final answer
    x = 148,505.29

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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.