Home / 311,839.20-466,961.76-171,443.52

Finding the Fourth Proportional to 311,839.20, 466,961.76 and 171,443.52

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Solution

The fourth proportional to 311,839.20, 466,961.76 and 171,443.52 is: 256,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,839.20 : 466,961.76 = 171,443.52 : x
  2. Step 2: Convert to fraction form
    311,839.20/466,961.76 = 171,443.52/x
  3. Step 3: Cross multiply
    311,839.20x = 466,961.76 × 171,443.52
  4. Step 4: Simplify right side
    311,839.20x = 80,057,567,839.80
  5. Step 5: Solve for x
    x = 80,057,567,839.80/311,839.20
  6. Step 6: Final answer
    x = 256,727.08

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1.5x scale

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.