Home / 123,540.06-170,485.26-66,951.44

Finding the Fourth Proportional to 123,540.06, 170,485.26 and 66,951.44

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Solution

The fourth proportional to 123,540.06, 170,485.26 and 66,951.44 is: 92,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,540.06 : 170,485.26 = 66,951.44 : x
  2. Step 2: Convert to fraction form
    123,540.06/170,485.26 = 66,951.44/x
  3. Step 3: Cross multiply
    123,540.06x = 170,485.26 × 66,951.44
  4. Step 4: Simplify right side
    123,540.06x = 11,414,233,191.60
  5. Step 5: Solve for x
    x = 11,414,233,191.60/123,540.06
  6. Step 6: Final answer
    x = 92,392.97

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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.