Home / 252,730.38-379,177.60-75,238.93

Finding the Fourth Proportional to 252,730.38, 379,177.60 and 75,238.93

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Solution

The fourth proportional to 252,730.38, 379,177.60 and 75,238.93 is: 112,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,730.38 : 379,177.60 = 75,238.93 : x
  2. Step 2: Convert to fraction form
    252,730.38/379,177.60 = 75,238.93/x
  3. Step 3: Cross multiply
    252,730.38x = 379,177.60 × 75,238.93
  4. Step 4: Simplify right side
    252,730.38x = 28,528,916,903.97
  5. Step 5: Solve for x
    x = 28,528,916,903.97/252,730.38
  6. Step 6: Final answer
    x = 112,882.82

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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.