Home / 225,510.27-338,265.18-92,390.78

Finding the Fourth Proportional to 225,510.27, 338,265.18 and 92,390.78

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Solution

The fourth proportional to 225,510.27, 338,265.18 and 92,390.78 is: 138,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,510.27 : 338,265.18 = 92,390.78 : x
  2. Step 2: Convert to fraction form
    225,510.27/338,265.18 = 92,390.78/x
  3. Step 3: Cross multiply
    225,510.27x = 338,265.18 × 92,390.78
  4. Step 4: Simplify right side
    225,510.27x = 31,252,582,135.71
  5. Step 5: Solve for x
    x = 31,252,582,135.71/225,510.27
  6. Step 6: Final answer
    x = 138,586.07

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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.