Home / 198,084.48-273,354.12-107,439

Finding the Fourth Proportional to 198,084.48, 273,354.12 and 107,439

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Solution

The fourth proportional to 198,084.48, 273,354.12 and 107,439 is: 148,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,084.48 : 273,354.12 = 107,439 : x
  2. Step 2: Convert to fraction form
    198,084.48/273,354.12 = 107,439/x
  3. Step 3: Cross multiply
    198,084.48x = 273,354.12 × 107,439
  4. Step 4: Simplify right side
    198,084.48x = 29,368,893,298.68
  5. Step 5: Solve for x
    x = 29,368,893,298.68/198,084.48
  6. Step 6: Final answer
    x = 148,264.48

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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.