Home / 120,934.20-166,882.05-67,217.37

Finding the Fourth Proportional to 120,934.20, 166,882.05 and 67,217.37

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Solution

The fourth proportional to 120,934.20, 166,882.05 and 67,217.37 is: 92,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.20 : 166,882.05 = 67,217.37 : x
  2. Step 2: Convert to fraction form
    120,934.20/166,882.05 = 67,217.37/x
  3. Step 3: Cross multiply
    120,934.20x = 166,882.05 × 67,217.37
  4. Step 4: Simplify right side
    120,934.20x = 11,217,372,501.21
  5. Step 5: Solve for x
    x = 11,217,372,501.21/120,934.20
  6. Step 6: Final answer
    x = 92,756.00

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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.