Home / 167,836.62-231,620.22-91,358.51

Finding the Fourth Proportional to 167,836.62, 231,620.22 and 91,358.51

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Solution

The fourth proportional to 167,836.62, 231,620.22 and 91,358.51 is: 126,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,836.62 : 231,620.22 = 91,358.51 : x
  2. Step 2: Convert to fraction form
    167,836.62/231,620.22 = 91,358.51/x
  3. Step 3: Cross multiply
    167,836.62x = 231,620.22 × 91,358.51
  4. Step 4: Simplify right side
    167,836.62x = 21,160,477,228.75
  5. Step 5: Solve for x
    x = 21,160,477,228.75/167,836.62
  6. Step 6: Final answer
    x = 126,077.84

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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.