Home / 198,279.88-273,624.33-107,633.89

Finding the Fourth Proportional to 198,279.88, 273,624.33 and 107,633.89

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Solution

The fourth proportional to 198,279.88, 273,624.33 and 107,633.89 is: 148,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,279.88 : 273,624.33 = 107,633.89 : x
  2. Step 2: Convert to fraction form
    198,279.88/273,624.33 = 107,633.89/x
  3. Step 3: Cross multiply
    198,279.88x = 273,624.33 × 107,633.89
  4. Step 4: Simplify right side
    198,279.88x = 29,451,251,036.54
  5. Step 5: Solve for x
    x = 29,451,251,036.54/198,279.88
  6. Step 6: Final answer
    x = 148,533.73

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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.