Home / 198,251.78-273,580.13-107,605.82

Finding the Fourth Proportional to 198,251.78, 273,580.13 and 107,605.82

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Solution

The fourth proportional to 198,251.78, 273,580.13 and 107,605.82 is: 148,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,251.78 : 273,580.13 = 107,605.82 : x
  2. Step 2: Convert to fraction form
    198,251.78/273,580.13 = 107,605.82/x
  3. Step 3: Cross multiply
    198,251.78x = 273,580.13 × 107,605.82
  4. Step 4: Simplify right side
    198,251.78x = 29,438,813,638.43
  5. Step 5: Solve for x
    x = 29,438,813,638.43/198,251.78
  6. Step 6: Final answer
    x = 148,492.05

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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.