Home / 123,204.30-170,052.92-69,520.29

Finding the Fourth Proportional to 123,204.30, 170,052.92 and 69,520.29

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Solution

The fourth proportional to 123,204.30, 170,052.92 and 69,520.29 is: 95,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204.30 : 170,052.92 = 69,520.29 : x
  2. Step 2: Convert to fraction form
    123,204.30/170,052.92 = 69,520.29/x
  3. Step 3: Cross multiply
    123,204.30x = 170,052.92 × 69,520.29
  4. Step 4: Simplify right side
    123,204.30x = 11,822,127,828.28
  5. Step 5: Solve for x
    x = 11,822,127,828.28/123,204.30
  6. Step 6: Final answer
    x = 95,955.48

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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.