Home / 119,610.60-179,440.20-40,732.80

Finding the Fourth Proportional to 119,610.60, 179,440.20 and 40,732.80

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Solution

The fourth proportional to 119,610.60, 179,440.20 and 40,732.80 is: 61,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,610.60 : 179,440.20 = 40,732.80 : x
  2. Step 2: Convert to fraction form
    119,610.60/179,440.20 = 40,732.80/x
  3. Step 3: Cross multiply
    119,610.60x = 179,440.20 × 40,732.80
  4. Step 4: Simplify right side
    119,610.60x = 7,309,101,778.56
  5. Step 5: Solve for x
    x = 7,309,101,778.56/119,610.60
  6. Step 6: Final answer
    x = 61,107.48

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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.