Home / 123,331.92-170,198.59-66,743.31

Finding the Fourth Proportional to 123,331.92, 170,198.59 and 66,743.31

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Solution

The fourth proportional to 123,331.92, 170,198.59 and 66,743.31 is: 92,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,331.92 : 170,198.59 = 66,743.31 : x
  2. Step 2: Convert to fraction form
    123,331.92/170,198.59 = 66,743.31/x
  3. Step 3: Cross multiply
    123,331.92x = 170,198.59 × 66,743.31
  4. Step 4: Simplify right side
    123,331.92x = 11,359,616,236.08
  5. Step 5: Solve for x
    x = 11,359,616,236.08/123,331.92
  6. Step 6: Final answer
    x = 92,106.06

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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.