Home / 321,132.24-443,162.40-177,901.56

Finding the Fourth Proportional to 321,132.24, 443,162.40 and 177,901.56

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Solution

The fourth proportional to 321,132.24, 443,162.40 and 177,901.56 is: 245,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,132.24 : 443,162.40 = 177,901.56 : x
  2. Step 2: Convert to fraction form
    321,132.24/443,162.40 = 177,901.56/x
  3. Step 3: Cross multiply
    321,132.24x = 443,162.40 × 177,901.56
  4. Step 4: Simplify right side
    321,132.24x = 78,839,282,293.34
  5. Step 5: Solve for x
    x = 78,839,282,293.34/321,132.24
  6. Step 6: Final answer
    x = 245,504.10

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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.