Home / 120,811.27-166,724.25-67,100.38

Finding the Fourth Proportional to 120,811.27, 166,724.25 and 67,100.38

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Solution

The fourth proportional to 120,811.27, 166,724.25 and 67,100.38 is: 92,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.27 : 166,724.25 = 67,100.38 : x
  2. Step 2: Convert to fraction form
    120,811.27/166,724.25 = 67,100.38/x
  3. Step 3: Cross multiply
    120,811.27x = 166,724.25 × 67,100.38
  4. Step 4: Simplify right side
    120,811.27x = 11,187,260,530.22
  5. Step 5: Solve for x
    x = 11,187,260,530.22/120,811.27
  6. Step 6: Final answer
    x = 92,601.13

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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.