Home / 120,910.98-166,853.82-67,194.64

Finding the Fourth Proportional to 120,910.98, 166,853.82 and 67,194.64

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Solution

The fourth proportional to 120,910.98, 166,853.82 and 67,194.64 is: 92,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,910.98 : 166,853.82 = 67,194.64 : x
  2. Step 2: Convert to fraction form
    120,910.98/166,853.82 = 67,194.64/x
  3. Step 3: Cross multiply
    120,910.98x = 166,853.82 × 67,194.64
  4. Step 4: Simplify right side
    120,910.98x = 11,211,682,367.52
  5. Step 5: Solve for x
    x = 11,211,682,367.52/120,910.98
  6. Step 6: Final answer
    x = 92,726.75

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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.