Home / 123,532.25-170,474.49-66,943.62

Finding the Fourth Proportional to 123,532.25, 170,474.49 and 66,943.62

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Solution

The fourth proportional to 123,532.25, 170,474.49 and 66,943.62 is: 92,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,532.25 : 170,474.49 = 66,943.62 : x
  2. Step 2: Convert to fraction form
    123,532.25/170,474.49 = 66,943.62/x
  3. Step 3: Cross multiply
    123,532.25x = 170,474.49 × 66,943.62
  4. Step 4: Simplify right side
    123,532.25x = 11,412,179,478.25
  5. Step 5: Solve for x
    x = 11,412,179,478.25/123,532.25
  6. Step 6: Final answer
    x = 92,382.19

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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.