Home / 113,650.28-156,839.48-63,343.88

Finding the Fourth Proportional to 113,650.28, 156,839.48 and 63,343.88

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Solution

The fourth proportional to 113,650.28, 156,839.48 and 63,343.88 is: 87,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,650.28 : 156,839.48 = 63,343.88 : x
  2. Step 2: Convert to fraction form
    113,650.28/156,839.48 = 63,343.88/x
  3. Step 3: Cross multiply
    113,650.28x = 156,839.48 × 63,343.88
  4. Step 4: Simplify right side
    113,650.28x = 9,934,821,200.38
  5. Step 5: Solve for x
    x = 9,934,821,200.38/113,650.28
  6. Step 6: Final answer
    x = 87,415.72

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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.