Home / 120,920.92-166,858.18-67,197.27

Finding the Fourth Proportional to 120,920.92, 166,858.18 and 67,197.27

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Solution

The fourth proportional to 120,920.92, 166,858.18 and 67,197.27 is: 92,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,920.92 : 166,858.18 = 67,197.27 : x
  2. Step 2: Convert to fraction form
    120,920.92/166,858.18 = 67,197.27/x
  3. Step 3: Cross multiply
    120,920.92x = 166,858.18 × 67,197.27
  4. Step 4: Simplify right side
    120,920.92x = 11,212,414,173.17
  5. Step 5: Solve for x
    x = 11,212,414,173.17/120,920.92
  6. Step 6: Final answer
    x = 92,725.18

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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.