Home / 193,370.55-266,867.43-107,337.61

Finding the Fourth Proportional to 193,370.55, 266,867.43 and 107,337.61

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Solution

The fourth proportional to 193,370.55, 266,867.43 and 107,337.61 is: 148,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,370.55 : 266,867.43 = 107,337.61 : x
  2. Step 2: Convert to fraction form
    193,370.55/266,867.43 = 107,337.61/x
  3. Step 3: Cross multiply
    193,370.55x = 266,867.43 × 107,337.61
  4. Step 4: Simplify right side
    193,370.55x = 28,644,912,790.21
  5. Step 5: Solve for x
    x = 28,644,912,790.21/193,370.55
  6. Step 6: Final answer
    x = 148,134.83

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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.