Home / 167,906.32-231,703.24-91,425.40

Finding the Fourth Proportional to 167,906.32, 231,703.24 and 91,425.40

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Solution

The fourth proportional to 167,906.32, 231,703.24 and 91,425.40 is: 126,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,906.32 : 231,703.24 = 91,425.40 : x
  2. Step 2: Convert to fraction form
    167,906.32/231,703.24 = 91,425.40/x
  3. Step 3: Cross multiply
    167,906.32x = 231,703.24 × 91,425.40
  4. Step 4: Simplify right side
    167,906.32x = 21,183,561,398.30
  5. Step 5: Solve for x
    x = 21,183,561,398.30/167,906.32
  6. Step 6: Final answer
    x = 126,162.98

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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.