Home / 167,836.49-231,619.38-103,342.95

Finding the Fourth Proportional to 167,836.49, 231,619.38 and 103,342.95

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Solution

The fourth proportional to 167,836.49, 231,619.38 and 103,342.95 is: 142,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,836.49 : 231,619.38 = 103,342.95 : x
  2. Step 2: Convert to fraction form
    167,836.49/231,619.38 = 103,342.95/x
  3. Step 3: Cross multiply
    167,836.49x = 231,619.38 × 103,342.95
  4. Step 4: Simplify right side
    167,836.49x = 23,936,230,006.37
  5. Step 5: Solve for x
    x = 23,936,230,006.37/167,836.49
  6. Step 6: Final answer
    x = 142,616.37

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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.