Home / 351,352.38-527,026.68-85,112.76

Finding the Fourth Proportional to 351,352.38, 527,026.68 and 85,112.76

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Solution

The fourth proportional to 351,352.38, 527,026.68 and 85,112.76 is: 127,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,352.38 : 527,026.68 = 85,112.76 : x
  2. Step 2: Convert to fraction form
    351,352.38/527,026.68 = 85,112.76/x
  3. Step 3: Cross multiply
    351,352.38x = 527,026.68 × 85,112.76
  4. Step 4: Simplify right side
    351,352.38x = 44,856,695,328.44
  5. Step 5: Solve for x
    x = 44,856,695,328.44/351,352.38
  6. Step 6: Final answer
    x = 127,668.68

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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.