Home / 321,238.26-443,302.19-177,997.05

Finding the Fourth Proportional to 321,238.26, 443,302.19 and 177,997.05

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Solution

The fourth proportional to 321,238.26, 443,302.19 and 177,997.05 is: 245,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,238.26 : 443,302.19 = 177,997.05 : x
  2. Step 2: Convert to fraction form
    321,238.26/443,302.19 = 177,997.05/x
  3. Step 3: Cross multiply
    321,238.26x = 443,302.19 × 177,997.05
  4. Step 4: Simplify right side
    321,238.26x = 78,906,481,188.55
  5. Step 5: Solve for x
    x = 78,906,481,188.55/321,238.26
  6. Step 6: Final answer
    x = 245,632.26

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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.