Home / 167,686.00-231,399.97-91,205.15

Finding the Fourth Proportional to 167,686.00, 231,399.97 and 91,205.15

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Solution

The fourth proportional to 167,686.00, 231,399.97 and 91,205.15 is: 125,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,686.00 : 231,399.97 = 91,205.15 : x
  2. Step 2: Convert to fraction form
    167,686.00/231,399.97 = 91,205.15/x
  3. Step 3: Cross multiply
    167,686.00x = 231,399.97 × 91,205.15
  4. Step 4: Simplify right side
    167,686.00x = 21,104,867,816.85
  5. Step 5: Solve for x
    x = 21,104,867,816.85/167,686.00
  6. Step 6: Final answer
    x = 125,859.45

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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.