Home / 198,251.19-273,579.30-107,605.20

Finding the Fourth Proportional to 198,251.19, 273,579.30 and 107,605.20

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Solution

The fourth proportional to 198,251.19, 273,579.30 and 107,605.20 is: 148,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,251.19 : 273,579.30 = 107,605.20 : x
  2. Step 2: Convert to fraction form
    198,251.19/273,579.30 = 107,605.20/x
  3. Step 3: Cross multiply
    198,251.19x = 273,579.30 × 107,605.20
  4. Step 4: Simplify right side
    198,251.19x = 29,438,555,292.36
  5. Step 5: Solve for x
    x = 29,438,555,292.36/198,251.19
  6. Step 6: Final answer
    x = 148,491.19

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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.