Home / 167,986.47-231,819.33-91,505.34

Finding the Fourth Proportional to 167,986.47, 231,819.33 and 91,505.34

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Solution

The fourth proportional to 167,986.47, 231,819.33 and 91,505.34 is: 126,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,986.47 : 231,819.33 = 91,505.34 : x
  2. Step 2: Convert to fraction form
    167,986.47/231,819.33 = 91,505.34/x
  3. Step 3: Cross multiply
    167,986.47x = 231,819.33 × 91,505.34
  4. Step 4: Simplify right side
    167,986.47x = 21,212,706,610.22
  5. Step 5: Solve for x
    x = 21,212,706,610.22/167,986.47
  6. Step 6: Final answer
    x = 126,276.28

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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.