Home / 120,822.30-166,727.67-67,104.18

Finding the Fourth Proportional to 120,822.30, 166,727.67 and 67,104.18

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Solution

The fourth proportional to 120,822.30, 166,727.67 and 67,104.18 is: 92,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,822.30 : 166,727.67 = 67,104.18 : x
  2. Step 2: Convert to fraction form
    120,822.30/166,727.67 = 67,104.18/x
  3. Step 3: Cross multiply
    120,822.30x = 166,727.67 × 67,104.18
  4. Step 4: Simplify right side
    120,822.30x = 11,188,123,578.66
  5. Step 5: Solve for x
    x = 11,188,123,578.66/120,822.30
  6. Step 6: Final answer
    x = 92,599.82

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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.