Home / 225,474.23-338,219.55-75,719.41

Finding the Fourth Proportional to 225,474.23, 338,219.55 and 75,719.41

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Solution

The fourth proportional to 225,474.23, 338,219.55 and 75,719.41 is: 113,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,474.23 : 338,219.55 = 75,719.41 : x
  2. Step 2: Convert to fraction form
    225,474.23/338,219.55 = 75,719.41/x
  3. Step 3: Cross multiply
    225,474.23x = 338,219.55 × 75,719.41
  4. Step 4: Simplify right side
    225,474.23x = 25,609,783,930.92
  5. Step 5: Solve for x
    x = 25,609,783,930.92/225,474.23
  6. Step 6: Final answer
    x = 113,581.87

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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.