Home / 167,845.37-231,619.37-91,364.56

Finding the Fourth Proportional to 167,845.37, 231,619.37 and 91,364.56

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Solution

The fourth proportional to 167,845.37, 231,619.37 and 91,364.56 is: 126,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,845.37 : 231,619.37 = 91,364.56 : x
  2. Step 2: Convert to fraction form
    167,845.37/231,619.37 = 91,364.56/x
  3. Step 3: Cross multiply
    167,845.37x = 231,619.37 × 91,364.56
  4. Step 4: Simplify right side
    167,845.37x = 21,161,800,791.66
  5. Step 5: Solve for x
    x = 21,161,800,791.66/167,845.37
  6. Step 6: Final answer
    x = 126,079.15

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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.