Home / 167,453.49-231,084.86-90,971.97

Finding the Fourth Proportional to 167,453.49, 231,084.86 and 90,971.97

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Solution

The fourth proportional to 167,453.49, 231,084.86 and 90,971.97 is: 125,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,453.49 : 231,084.86 = 90,971.97 : x
  2. Step 2: Convert to fraction form
    167,453.49/231,084.86 = 90,971.97/x
  3. Step 3: Cross multiply
    167,453.49x = 231,084.86 × 90,971.97
  4. Step 4: Simplify right side
    167,453.49x = 21,022,244,496.51
  5. Step 5: Solve for x
    x = 21,022,244,496.51/167,453.49
  6. Step 6: Final answer
    x = 125,540.80

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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.