Home / 127,855.68-191,793.24-39,115.86

Finding the Fourth Proportional to 127,855.68, 191,793.24 and 39,115.86

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Solution

The fourth proportional to 127,855.68, 191,793.24 and 39,115.86 is: 58,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.68 : 191,793.24 = 39,115.86 : x
  2. Step 2: Convert to fraction form
    127,855.68/191,793.24 = 39,115.86/x
  3. Step 3: Cross multiply
    127,855.68x = 191,793.24 × 39,115.86
  4. Step 4: Simplify right side
    127,855.68x = 7,502,157,524.79
  5. Step 5: Solve for x
    x = 7,502,157,524.79/127,855.68
  6. Step 6: Final answer
    x = 58,676.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.