Home / 113,532.75-156,675.20-63,231.75

Finding the Fourth Proportional to 113,532.75, 156,675.20 and 63,231.75

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Solution

The fourth proportional to 113,532.75, 156,675.20 and 63,231.75 is: 87,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,532.75 : 156,675.20 = 63,231.75 : x
  2. Step 2: Convert to fraction form
    113,532.75/156,675.20 = 63,231.75/x
  3. Step 3: Cross multiply
    113,532.75x = 156,675.20 × 63,231.75
  4. Step 4: Simplify right side
    113,532.75x = 9,906,846,761.44
  5. Step 5: Solve for x
    x = 9,906,846,761.44/113,532.75
  6. Step 6: Final answer
    x = 87,259.82

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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.