Home / 252,023.10-378,034.65-227,139.90

Finding the Fourth Proportional to 252,023.10, 378,034.65 and 227,139.90

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Solution

The fourth proportional to 252,023.10, 378,034.65 and 227,139.90 is: 340,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,023.10 : 378,034.65 = 227,139.90 : x
  2. Step 2: Convert to fraction form
    252,023.10/378,034.65 = 227,139.90/x
  3. Step 3: Cross multiply
    252,023.10x = 378,034.65 × 227,139.90
  4. Step 4: Simplify right side
    252,023.10x = 85,866,752,597.54
  5. Step 5: Solve for x
    x = 85,866,752,597.54/252,023.10
  6. Step 6: Final answer
    x = 340,709.85

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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.