Home / 198,234.91-273,564.43-107,590.87

Finding the Fourth Proportional to 198,234.91, 273,564.43 and 107,590.87

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Solution

The fourth proportional to 198,234.91, 273,564.43 and 107,590.87 is: 148,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,234.91 : 273,564.43 = 107,590.87 : x
  2. Step 2: Convert to fraction form
    198,234.91/273,564.43 = 107,590.87/x
  3. Step 3: Cross multiply
    198,234.91x = 273,564.43 × 107,590.87
  4. Step 4: Simplify right side
    198,234.91x = 29,433,034,340.84
  5. Step 5: Solve for x
    x = 29,433,034,340.84/198,234.91
  6. Step 6: Final answer
    x = 148,475.54

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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.