Home / 120,833.68-166,745.82-67,122.13

Finding the Fourth Proportional to 120,833.68, 166,745.82 and 67,122.13

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Solution

The fourth proportional to 120,833.68, 166,745.82 and 67,122.13 is: 92,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.68 : 166,745.82 = 67,122.13 : x
  2. Step 2: Convert to fraction form
    120,833.68/166,745.82 = 67,122.13/x
  3. Step 3: Cross multiply
    120,833.68x = 166,745.82 × 67,122.13
  4. Step 4: Simplify right side
    120,833.68x = 11,192,334,607.00
  5. Step 5: Solve for x
    x = 11,192,334,607.00/120,833.68
  6. Step 6: Final answer
    x = 92,625.95

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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.