Home / 167,808.51-231,580.01-91,331.75

Finding the Fourth Proportional to 167,808.51, 231,580.01 and 91,331.75

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Solution

The fourth proportional to 167,808.51, 231,580.01 and 91,331.75 is: 126,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,808.51 : 231,580.01 = 91,331.75 : x
  2. Step 2: Convert to fraction form
    167,808.51/231,580.01 = 91,331.75/x
  3. Step 3: Cross multiply
    167,808.51x = 231,580.01 × 91,331.75
  4. Step 4: Simplify right side
    167,808.51x = 21,150,608,385.60
  5. Step 5: Solve for x
    x = 21,150,608,385.60/167,808.51
  6. Step 6: Final answer
    x = 126,040.14

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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.