Home / 123,336.44-170,204.30-66,747.82

Finding the Fourth Proportional to 123,336.44, 170,204.30 and 66,747.82

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Solution

The fourth proportional to 123,336.44, 170,204.30 and 66,747.82 is: 92,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.44 : 170,204.30 = 66,747.82 : x
  2. Step 2: Convert to fraction form
    123,336.44/170,204.30 = 66,747.82/x
  3. Step 3: Cross multiply
    123,336.44x = 170,204.30 × 66,747.82
  4. Step 4: Simplify right side
    123,336.44x = 11,360,765,419.94
  5. Step 5: Solve for x
    x = 11,360,765,419.94/123,336.44
  6. Step 6: Final answer
    x = 92,111.99

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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.