Home / 123,244.82-170,077.97-66,656.20

Finding the Fourth Proportional to 123,244.82, 170,077.97 and 66,656.20

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Solution

The fourth proportional to 123,244.82, 170,077.97 and 66,656.20 is: 91,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,244.82 : 170,077.97 = 66,656.20 : x
  2. Step 2: Convert to fraction form
    123,244.82/170,077.97 = 66,656.20/x
  3. Step 3: Cross multiply
    123,244.82x = 170,077.97 × 66,656.20
  4. Step 4: Simplify right side
    123,244.82x = 11,336,750,000.24
  5. Step 5: Solve for x
    x = 11,336,750,000.24/123,244.82
  6. Step 6: Final answer
    x = 91,985.61

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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.