Home / 185,462.38-278,211.87-52,343.79

Finding the Fourth Proportional to 185,462.38, 278,211.87 and 52,343.79

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Solution

The fourth proportional to 185,462.38, 278,211.87 and 52,343.79 is: 78,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,462.38 : 278,211.87 = 52,343.79 : x
  2. Step 2: Convert to fraction form
    185,462.38/278,211.87 = 52,343.79/x
  3. Step 3: Cross multiply
    185,462.38x = 278,211.87 × 52,343.79
  4. Step 4: Simplify right side
    185,462.38x = 14,562,663,698.79
  5. Step 5: Solve for x
    x = 14,562,663,698.79/185,462.38
  6. Step 6: Final answer
    x = 78,520.85

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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.