Home / 111,028.20-166,542.30-110,250.60

Finding the Fourth Proportional to 111,028.20, 166,542.30 and 110,250.60

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Solution

The fourth proportional to 111,028.20, 166,542.30 and 110,250.60 is: 165,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.20 : 166,542.30 = 110,250.60 : x
  2. Step 2: Convert to fraction form
    111,028.20/166,542.30 = 110,250.60/x
  3. Step 3: Cross multiply
    111,028.20x = 166,542.30 × 110,250.60
  4. Step 4: Simplify right side
    111,028.20x = 18,361,388,500.38
  5. Step 5: Solve for x
    x = 18,361,388,500.38/111,028.20
  6. Step 6: Final answer
    x = 165,375.90

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1.5x scale

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.