Home / 321,156.24-443,199.04-177,924.74

Finding the Fourth Proportional to 321,156.24, 443,199.04 and 177,924.74

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Solution

The fourth proportional to 321,156.24, 443,199.04 and 177,924.74 is: 245,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,156.24 : 443,199.04 = 177,924.74 : x
  2. Step 2: Convert to fraction form
    321,156.24/443,199.04 = 177,924.74/x
  3. Step 3: Cross multiply
    321,156.24x = 443,199.04 × 177,924.74
  4. Step 4: Simplify right side
    321,156.24x = 78,856,073,960.25
  5. Step 5: Solve for x
    x = 78,856,073,960.25/321,156.24
  6. Step 6: Final answer
    x = 245,538.04

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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.