Home / 120,934.20-166,882.04-67,217.38

Finding the Fourth Proportional to 120,934.20, 166,882.04 and 67,217.38

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Solution

The fourth proportional to 120,934.20, 166,882.04 and 67,217.38 is: 92,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.20 : 166,882.04 = 67,217.38 : x
  2. Step 2: Convert to fraction form
    120,934.20/166,882.04 = 67,217.38/x
  3. Step 3: Cross multiply
    120,934.20x = 166,882.04 × 67,217.38
  4. Step 4: Simplify right side
    120,934.20x = 11,217,373,497.86
  5. Step 5: Solve for x
    x = 11,217,373,497.86/120,934.20
  6. Step 6: Final answer
    x = 92,756.01

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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.