Home / 321,196.20-443,254.32-177,958.50

Finding the Fourth Proportional to 321,196.20, 443,254.32 and 177,958.50

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Solution

The fourth proportional to 321,196.20, 443,254.32 and 177,958.50 is: 245,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,196.20 : 443,254.32 = 177,958.50 : x
  2. Step 2: Convert to fraction form
    321,196.20/443,254.32 = 177,958.50/x
  3. Step 3: Cross multiply
    321,196.20x = 443,254.32 × 177,958.50
  4. Step 4: Simplify right side
    321,196.20x = 78,880,873,905.72
  5. Step 5: Solve for x
    x = 78,880,873,905.72/321,196.20
  6. Step 6: Final answer
    x = 245,584.70

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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.