Home / 167,609.51-231,305.67-91,133.75

Finding the Fourth Proportional to 167,609.51, 231,305.67 and 91,133.75

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Solution

The fourth proportional to 167,609.51, 231,305.67 and 91,133.75 is: 125,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,609.51 : 231,305.67 = 91,133.75 : x
  2. Step 2: Convert to fraction form
    167,609.51/231,305.67 = 91,133.75/x
  3. Step 3: Cross multiply
    167,609.51x = 231,305.67 × 91,133.75
  4. Step 4: Simplify right side
    167,609.51x = 21,079,753,103.36
  5. Step 5: Solve for x
    x = 21,079,753,103.36/167,609.51
  6. Step 6: Final answer
    x = 125,767.05

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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.