Home / 148,082.20-222,123.30-140,500.60

Finding the Fourth Proportional to 148,082.20, 222,123.30 and 140,500.60

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Solution

The fourth proportional to 148,082.20, 222,123.30 and 140,500.60 is: 210,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,082.20 : 222,123.30 = 140,500.60 : x
  2. Step 2: Convert to fraction form
    148,082.20/222,123.30 = 140,500.60/x
  3. Step 3: Cross multiply
    148,082.20x = 222,123.30 × 140,500.60
  4. Step 4: Simplify right side
    148,082.20x = 31,208,456,923.98
  5. Step 5: Solve for x
    x = 31,208,456,923.98/148,082.20
  6. Step 6: Final answer
    x = 210,750.90

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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.