Home / 120,610.46-180,687.33-80,508.52

Finding the Fourth Proportional to 120,610.46, 180,687.33 and 80,508.52

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Solution

The fourth proportional to 120,610.46, 180,687.33 and 80,508.52 is: 120,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.46 : 180,687.33 = 80,508.52 : x
  2. Step 2: Convert to fraction form
    120,610.46/180,687.33 = 80,508.52/x
  3. Step 3: Cross multiply
    120,610.46x = 180,687.33 × 80,508.52
  4. Step 4: Simplify right side
    120,610.46x = 14,546,870,255.09
  5. Step 5: Solve for x
    x = 14,546,870,255.09/120,610.46
  6. Step 6: Final answer
    x = 120,610.36

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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.