Home / 123,471.26-170,391.15-66,882.63

Finding the Fourth Proportional to 123,471.26, 170,391.15 and 66,882.63

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Solution

The fourth proportional to 123,471.26, 170,391.15 and 66,882.63 is: 92,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,471.26 : 170,391.15 = 66,882.63 : x
  2. Step 2: Convert to fraction form
    123,471.26/170,391.15 = 66,882.63/x
  3. Step 3: Cross multiply
    123,471.26x = 170,391.15 × 66,882.63
  4. Step 4: Simplify right side
    123,471.26x = 11,396,208,240.72
  5. Step 5: Solve for x
    x = 11,396,208,240.72/123,471.26
  6. Step 6: Final answer
    x = 92,298.47

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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.