Home / 167,917.65-231,725.99-91,435.56

Finding the Fourth Proportional to 167,917.65, 231,725.99 and 91,435.56

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Solution

The fourth proportional to 167,917.65, 231,725.99 and 91,435.56 is: 126,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,917.65 : 231,725.99 = 91,435.56 : x
  2. Step 2: Convert to fraction form
    167,917.65/231,725.99 = 91,435.56/x
  3. Step 3: Cross multiply
    167,917.65x = 231,725.99 × 91,435.56
  4. Step 4: Simplify right side
    167,917.65x = 21,187,995,890.79
  5. Step 5: Solve for x
    x = 21,187,995,890.79/167,917.65
  6. Step 6: Final answer
    x = 126,180.87

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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.