Home / 111,098.20-166,647.30-104,099.80

Finding the Fourth Proportional to 111,098.20, 166,647.30 and 104,099.80

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Solution

The fourth proportional to 111,098.20, 166,647.30 and 104,099.80 is: 156,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,098.20 : 166,647.30 = 104,099.80 : x
  2. Step 2: Convert to fraction form
    111,098.20/166,647.30 = 104,099.80/x
  3. Step 3: Cross multiply
    111,098.20x = 166,647.30 × 104,099.80
  4. Step 4: Simplify right side
    111,098.20x = 17,347,950,600.54
  5. Step 5: Solve for x
    x = 17,347,950,600.54/111,098.20
  6. Step 6: Final answer
    x = 156,149.70

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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.