Home / 321,247.75-443,331.62-177,994.39

Finding the Fourth Proportional to 321,247.75, 443,331.62 and 177,994.39

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Solution

The fourth proportional to 321,247.75, 443,331.62 and 177,994.39 is: 245,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,247.75 : 443,331.62 = 177,994.39 : x
  2. Step 2: Convert to fraction form
    321,247.75/443,331.62 = 177,994.39/x
  3. Step 3: Cross multiply
    321,247.75x = 443,331.62 × 177,994.39
  4. Step 4: Simplify right side
    321,247.75x = 78,910,540,379.64
  5. Step 5: Solve for x
    x = 78,910,540,379.64/321,247.75
  6. Step 6: Final answer
    x = 245,637.64

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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.