Home / 202,537.24-279,517.76-111,901.15

Finding the Fourth Proportional to 202,537.24, 279,517.76 and 111,901.15

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Solution

The fourth proportional to 202,537.24, 279,517.76 and 111,901.15 is: 154,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,537.24 : 279,517.76 = 111,901.15 : x
  2. Step 2: Convert to fraction form
    202,537.24/279,517.76 = 111,901.15/x
  3. Step 3: Cross multiply
    202,537.24x = 279,517.76 × 111,901.15
  4. Step 4: Simplify right side
    202,537.24x = 31,278,358,789.42
  5. Step 5: Solve for x
    x = 31,278,358,789.42/202,537.24
  6. Step 6: Final answer
    x = 154,432.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.