Home / 167,778.14-231,538.10-91,301.38

Finding the Fourth Proportional to 167,778.14, 231,538.10 and 91,301.38

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Solution

The fourth proportional to 167,778.14, 231,538.10 and 91,301.38 is: 125,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,778.14 : 231,538.10 = 91,301.38 : x
  2. Step 2: Convert to fraction form
    167,778.14/231,538.10 = 91,301.38/x
  3. Step 3: Cross multiply
    167,778.14x = 231,538.10 × 91,301.38
  4. Step 4: Simplify right side
    167,778.14x = 21,139,747,017.23
  5. Step 5: Solve for x
    x = 21,139,747,017.23/167,778.14
  6. Step 6: Final answer
    x = 125,998.22

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1.5x scale

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.