Home / 481,372.38-722,056.32-121,543.92

Finding the Fourth Proportional to 481,372.38, 722,056.32 and 121,543.92

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Solution

The fourth proportional to 481,372.38, 722,056.32 and 121,543.92 is: 182,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,372.38 : 722,056.32 = 121,543.92 : x
  2. Step 2: Convert to fraction form
    481,372.38/722,056.32 = 121,543.92/x
  3. Step 3: Cross multiply
    481,372.38x = 722,056.32 × 121,543.92
  4. Step 4: Simplify right side
    481,372.38x = 87,761,555,593.57
  5. Step 5: Solve for x
    x = 87,761,555,593.57/481,372.38
  6. Step 6: Final answer
    x = 182,315.31

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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.