Home / 311,934.20-467,901.30-170,216.60

Finding the Fourth Proportional to 311,934.20, 467,901.30 and 170,216.60

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Solution

The fourth proportional to 311,934.20, 467,901.30 and 170,216.60 is: 255,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,934.20 : 467,901.30 = 170,216.60 : x
  2. Step 2: Convert to fraction form
    311,934.20/467,901.30 = 170,216.60/x
  3. Step 3: Cross multiply
    311,934.20x = 467,901.30 × 170,216.60
  4. Step 4: Simplify right side
    311,934.20x = 79,644,568,421.58
  5. Step 5: Solve for x
    x = 79,644,568,421.58/311,934.20
  6. Step 6: Final answer
    x = 255,324.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.