Home / 123,801.36-170,463.33-96,686.97

Finding the Fourth Proportional to 123,801.36, 170,463.33 and 96,686.97

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Solution

The fourth proportional to 123,801.36, 170,463.33 and 96,686.97 is: 133,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.36 : 170,463.33 = 96,686.97 : x
  2. Step 2: Convert to fraction form
    123,801.36/170,463.33 = 96,686.97/x
  3. Step 3: Cross multiply
    123,801.36x = 170,463.33 × 96,686.97
  4. Step 4: Simplify right side
    123,801.36x = 16,481,583,396.27
  5. Step 5: Solve for x
    x = 16,481,583,396.27/123,801.36
  6. Step 6: Final answer
    x = 133,129.26

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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.