Home / 167,586.56-231,270.78-91,105.64

Finding the Fourth Proportional to 167,586.56, 231,270.78 and 91,105.64

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Solution

The fourth proportional to 167,586.56, 231,270.78 and 91,105.64 is: 125,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,586.56 : 231,270.78 = 91,105.64 : x
  2. Step 2: Convert to fraction form
    167,586.56/231,270.78 = 91,105.64/x
  3. Step 3: Cross multiply
    167,586.56x = 231,270.78 × 91,105.64
  4. Step 4: Simplify right side
    167,586.56x = 21,070,072,425.20
  5. Step 5: Solve for x
    x = 21,070,072,425.20/167,586.56
  6. Step 6: Final answer
    x = 125,726.50

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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.