Home / 167,687.20-231,406.02-91,204.64

Finding the Fourth Proportional to 167,687.20, 231,406.02 and 91,204.64

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Solution

The fourth proportional to 167,687.20, 231,406.02 and 91,204.64 is: 125,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,687.20 : 231,406.02 = 91,204.64 : x
  2. Step 2: Convert to fraction form
    167,687.20/231,406.02 = 91,204.64/x
  3. Step 3: Cross multiply
    167,687.20x = 231,406.02 × 91,204.64
  4. Step 4: Simplify right side
    167,687.20x = 21,105,302,747.93
  5. Step 5: Solve for x
    x = 21,105,302,747.93/167,687.20
  6. Step 6: Final answer
    x = 125,861.14

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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.