Home / 167,412.24-231,040.20-91,961.52

Finding the Fourth Proportional to 167,412.24, 231,040.20 and 91,961.52

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Solution

The fourth proportional to 167,412.24, 231,040.20 and 91,961.52 is: 126,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,412.24 : 231,040.20 = 91,961.52 : x
  2. Step 2: Convert to fraction form
    167,412.24/231,040.20 = 91,961.52/x
  3. Step 3: Cross multiply
    167,412.24x = 231,040.20 × 91,961.52
  4. Step 4: Simplify right side
    167,412.24x = 21,246,807,973.10
  5. Step 5: Solve for x
    x = 21,246,807,973.10/167,412.24
  6. Step 6: Final answer
    x = 126,913.11

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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.