Home / 167,836.92-231,621.06-91,352.31

Finding the Fourth Proportional to 167,836.92, 231,621.06 and 91,352.31

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Solution

The fourth proportional to 167,836.92, 231,621.06 and 91,352.31 is: 126,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,836.92 : 231,621.06 = 91,352.31 : x
  2. Step 2: Convert to fraction form
    167,836.92/231,621.06 = 91,352.31/x
  3. Step 3: Cross multiply
    167,836.92x = 231,621.06 × 91,352.31
  4. Step 4: Simplify right side
    167,836.92x = 21,159,119,661.62
  5. Step 5: Solve for x
    x = 21,159,119,661.62/167,836.92
  6. Step 6: Final answer
    x = 126,069.52

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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.