Home / 312,247.30-468,372.03-75,589.62

Finding the Fourth Proportional to 312,247.30, 468,372.03 and 75,589.62

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Solution

The fourth proportional to 312,247.30, 468,372.03 and 75,589.62 is: 113,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,247.30 : 468,372.03 = 75,589.62 : x
  2. Step 2: Convert to fraction form
    312,247.30/468,372.03 = 75,589.62/x
  3. Step 3: Cross multiply
    312,247.30x = 468,372.03 × 75,589.62
  4. Step 4: Simplify right side
    312,247.30x = 35,404,063,766.33
  5. Step 5: Solve for x
    x = 35,404,063,766.33/312,247.30
  6. Step 6: Final answer
    x = 113,384.69

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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.