Home / 107,571.20-161,385.60-95,964.80

Finding the Fourth Proportional to 107,571.20, 161,385.60 and 95,964.80

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Solution

The fourth proportional to 107,571.20, 161,385.60 and 95,964.80 is: 143,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,571.20 : 161,385.60 = 95,964.80 : x
  2. Step 2: Convert to fraction form
    107,571.20/161,385.60 = 95,964.80/x
  3. Step 3: Cross multiply
    107,571.20x = 161,385.60 × 95,964.80
  4. Step 4: Simplify right side
    107,571.20x = 15,487,336,826.88
  5. Step 5: Solve for x
    x = 15,487,336,826.88/107,571.20
  6. Step 6: Final answer
    x = 143,972.89

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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.