Home / 167,586.60-231,271-91,105.84

Finding the Fourth Proportional to 167,586.60, 231,271 and 91,105.84

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Solution

The fourth proportional to 167,586.60, 231,271 and 91,105.84 is: 125,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,586.60 : 231,271 = 91,105.84 : x
  2. Step 2: Convert to fraction form
    167,586.60/231,271 = 91,105.84/x
  3. Step 3: Cross multiply
    167,586.60x = 231,271 × 91,105.84
  4. Step 4: Simplify right side
    167,586.60x = 21,070,138,722.64
  5. Step 5: Solve for x
    x = 21,070,138,722.64/167,586.60
  6. Step 6: Final answer
    x = 125,726.87

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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.