Home / 167,400.24-231,023.64-91,949.52

Finding the Fourth Proportional to 167,400.24, 231,023.64 and 91,949.52

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Solution

The fourth proportional to 167,400.24, 231,023.64 and 91,949.52 is: 126,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.24 : 231,023.64 = 91,949.52 : x
  2. Step 2: Convert to fraction form
    167,400.24/231,023.64 = 91,949.52/x
  3. Step 3: Cross multiply
    167,400.24x = 231,023.64 × 91,949.52
  4. Step 4: Simplify right side
    167,400.24x = 21,242,512,806.65
  5. Step 5: Solve for x
    x = 21,242,512,806.65/167,400.24
  6. Step 6: Final answer
    x = 126,896.55

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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.