Home / 217,010.40-324,997.20-133,029.60

Finding the Fourth Proportional to 217,010.40, 324,997.20 and 133,029.60

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Solution

The fourth proportional to 217,010.40, 324,997.20 and 133,029.60 is: 199,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,010.40 : 324,997.20 = 133,029.60 : x
  2. Step 2: Convert to fraction form
    217,010.40/324,997.20 = 133,029.60/x
  3. Step 3: Cross multiply
    217,010.40x = 324,997.20 × 133,029.60
  4. Step 4: Simplify right side
    217,010.40x = 43,234,247,517.12
  5. Step 5: Solve for x
    x = 43,234,247,517.12/217,010.40
  6. Step 6: Final answer
    x = 199,226.62

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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.