Home / 187,725.43-281,585.57-45,571.79

Finding the Fourth Proportional to 187,725.43, 281,585.57 and 45,571.79

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Solution

The fourth proportional to 187,725.43, 281,585.57 and 45,571.79 is: 68,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,725.43 : 281,585.57 = 45,571.79 : x
  2. Step 2: Convert to fraction form
    187,725.43/281,585.57 = 45,571.79/x
  3. Step 3: Cross multiply
    187,725.43x = 281,585.57 × 45,571.79
  4. Step 4: Simplify right side
    187,725.43x = 12,832,359,280.96
  5. Step 5: Solve for x
    x = 12,832,359,280.96/187,725.43
  6. Step 6: Final answer
    x = 68,357.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.