Home / 321,183.28-443,220.24-177,945.52

Finding the Fourth Proportional to 321,183.28, 443,220.24 and 177,945.52

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Solution

The fourth proportional to 321,183.28, 443,220.24 and 177,945.52 is: 245,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,183.28 : 443,220.24 = 177,945.52 : x
  2. Step 2: Convert to fraction form
    321,183.28/443,220.24 = 177,945.52/x
  3. Step 3: Cross multiply
    321,183.28x = 443,220.24 × 177,945.52
  4. Step 4: Simplify right side
    321,183.28x = 78,869,056,081.32
  5. Step 5: Solve for x
    x = 78,869,056,081.32/321,183.28
  6. Step 6: Final answer
    x = 245,557.79

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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.