Home / 217,049.28-325,586.22-67,310.85

Finding the Fourth Proportional to 217,049.28, 325,586.22 and 67,310.85

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Solution

The fourth proportional to 217,049.28, 325,586.22 and 67,310.85 is: 100,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049.28 : 325,586.22 = 67,310.85 : x
  2. Step 2: Convert to fraction form
    217,049.28/325,586.22 = 67,310.85/x
  3. Step 3: Cross multiply
    217,049.28x = 325,586.22 × 67,310.85
  4. Step 4: Simplify right side
    217,049.28x = 21,915,485,216.49
  5. Step 5: Solve for x
    x = 21,915,485,216.49/217,049.28
  6. Step 6: Final answer
    x = 100,970.09

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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.