Home / 185,462.28-278,248.86-131,530.86

Finding the Fourth Proportional to 185,462.28, 278,248.86 and 131,530.86

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Solution

The fourth proportional to 185,462.28, 278,248.86 and 131,530.86 is: 197,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,462.28 : 278,248.86 = 131,530.86 : x
  2. Step 2: Convert to fraction form
    185,462.28/278,248.86 = 131,530.86/x
  3. Step 3: Cross multiply
    185,462.28x = 278,248.86 × 131,530.86
  4. Step 4: Simplify right side
    185,462.28x = 36,598,311,849.82
  5. Step 5: Solve for x
    x = 36,598,311,849.82/185,462.28
  6. Step 6: Final answer
    x = 197,335.61

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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.