Home / 167,655.18-231,359.97-91,173.36

Finding the Fourth Proportional to 167,655.18, 231,359.97 and 91,173.36

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Solution

The fourth proportional to 167,655.18, 231,359.97 and 91,173.36 is: 125,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,655.18 : 231,359.97 = 91,173.36 : x
  2. Step 2: Convert to fraction form
    167,655.18/231,359.97 = 91,173.36/x
  3. Step 3: Cross multiply
    167,655.18x = 231,359.97 × 91,173.36
  4. Step 4: Simplify right side
    167,655.18x = 21,093,865,834.40
  5. Step 5: Solve for x
    x = 21,093,865,834.40/167,655.18
  6. Step 6: Final answer
    x = 125,816.96

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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.