Home / 167,369.38-230,971.38-91,917.88

Finding the Fourth Proportional to 167,369.38, 230,971.38 and 91,917.88

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Solution

The fourth proportional to 167,369.38, 230,971.38 and 91,917.88 is: 126,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,369.38 : 230,971.38 = 91,917.88 : x
  2. Step 2: Convert to fraction form
    167,369.38/230,971.38 = 91,917.88/x
  3. Step 3: Cross multiply
    167,369.38x = 230,971.38 × 91,917.88
  4. Step 4: Simplify right side
    167,369.38x = 21,230,399,590.27
  5. Step 5: Solve for x
    x = 21,230,399,590.27/167,369.38
  6. Step 6: Final answer
    x = 126,847.57

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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.