Home / 167,121.52-250,896-143,579.68

Finding the Fourth Proportional to 167,121.52, 250,896 and 143,579.68

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Solution

The fourth proportional to 167,121.52, 250,896 and 143,579.68 is: 215,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,121.52 : 250,896 = 143,579.68 : x
  2. Step 2: Convert to fraction form
    167,121.52/250,896 = 143,579.68/x
  3. Step 3: Cross multiply
    167,121.52x = 250,896 × 143,579.68
  4. Step 4: Simplify right side
    167,121.52x = 36,023,567,393.28
  5. Step 5: Solve for x
    x = 36,023,567,393.28/167,121.52
  6. Step 6: Final answer
    x = 215,553.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.