Home / 217,140.27-325,757.18-67,377.61

Finding the Fourth Proportional to 217,140.27, 325,757.18 and 67,377.61

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Solution

The fourth proportional to 217,140.27, 325,757.18 and 67,377.61 is: 101,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,140.27 : 325,757.18 = 67,377.61 : x
  2. Step 2: Convert to fraction form
    217,140.27/325,757.18 = 67,377.61/x
  3. Step 3: Cross multiply
    217,140.27x = 325,757.18 × 67,377.61
  4. Step 4: Simplify right side
    217,140.27x = 21,948,740,228.74
  5. Step 5: Solve for x
    x = 21,948,740,228.74/217,140.27
  6. Step 6: Final answer
    x = 101,080.93

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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.