Home / 252,183.20-378,273.18-74,691.14

Finding the Fourth Proportional to 252,183.20, 378,273.18 and 74,691.14

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Solution

The fourth proportional to 252,183.20, 378,273.18 and 74,691.14 is: 112,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,183.20 : 378,273.18 = 74,691.14 : x
  2. Step 2: Convert to fraction form
    252,183.20/378,273.18 = 74,691.14/x
  3. Step 3: Cross multiply
    252,183.20x = 378,273.18 × 74,691.14
  4. Step 4: Simplify right side
    252,183.20x = 28,253,655,045.63
  5. Step 5: Solve for x
    x = 28,253,655,045.63/252,183.20
  6. Step 6: Final answer
    x = 112,036.23

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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.