Home / 222,363.20-306,861.41-120,388.73

Finding the Fourth Proportional to 222,363.20, 306,861.41 and 120,388.73

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Solution

The fourth proportional to 222,363.20, 306,861.41 and 120,388.73 is: 166,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,363.20 : 306,861.41 = 120,388.73 : x
  2. Step 2: Convert to fraction form
    222,363.20/306,861.41 = 120,388.73/x
  3. Step 3: Cross multiply
    222,363.20x = 306,861.41 × 120,388.73
  4. Step 4: Simplify right side
    222,363.20x = 36,942,654,833.97
  5. Step 5: Solve for x
    x = 36,942,654,833.97/222,363.20
  6. Step 6: Final answer
    x = 166,136.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.