Home / 120,834.68-166,747.20-67,123.13

Finding the Fourth Proportional to 120,834.68, 166,747.20 and 67,123.13

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Solution

The fourth proportional to 120,834.68, 166,747.20 and 67,123.13 is: 92,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.68 : 166,747.20 = 67,123.13 : x
  2. Step 2: Convert to fraction form
    120,834.68/166,747.20 = 67,123.13/x
  3. Step 3: Cross multiply
    120,834.68x = 166,747.20 × 67,123.13
  4. Step 4: Simplify right side
    120,834.68x = 11,192,593,982.74
  5. Step 5: Solve for x
    x = 11,192,593,982.74/120,834.68
  6. Step 6: Final answer
    x = 92,627.33

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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.