Home / 161,936.43-223,462.17-89,340.26

Finding the Fourth Proportional to 161,936.43, 223,462.17 and 89,340.26

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Solution

The fourth proportional to 161,936.43, 223,462.17 and 89,340.26 is: 123,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.43 : 223,462.17 = 89,340.26 : x
  2. Step 2: Convert to fraction form
    161,936.43/223,462.17 = 89,340.26/x
  3. Step 3: Cross multiply
    161,936.43x = 223,462.17 × 89,340.26
  4. Step 4: Simplify right side
    161,936.43x = 19,964,167,250.65
  5. Step 5: Solve for x
    x = 19,964,167,250.65/161,936.43
  6. Step 6: Final answer
    x = 123,283.98

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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.