Home / 168,038.28-231,881.94-92,586.78

Finding the Fourth Proportional to 168,038.28, 231,881.94 and 92,586.78

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Solution

The fourth proportional to 168,038.28, 231,881.94 and 92,586.78 is: 127,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038.28 : 231,881.94 = 92,586.78 : x
  2. Step 2: Convert to fraction form
    168,038.28/231,881.94 = 92,586.78/x
  3. Step 3: Cross multiply
    168,038.28x = 231,881.94 × 92,586.78
  4. Step 4: Simplify right side
    168,038.28x = 21,469,202,164.75
  5. Step 5: Solve for x
    x = 21,469,202,164.75/168,038.28
  6. Step 6: Final answer
    x = 127,763.76

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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.