Home / 187,844.27-281,812.50-54,725.76

Finding the Fourth Proportional to 187,844.27, 281,812.50 and 54,725.76

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Solution

The fourth proportional to 187,844.27, 281,812.50 and 54,725.76 is: 82,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,844.27 : 281,812.50 = 54,725.76 : x
  2. Step 2: Convert to fraction form
    187,844.27/281,812.50 = 54,725.76/x
  3. Step 3: Cross multiply
    187,844.27x = 281,812.50 × 54,725.76
  4. Step 4: Simplify right side
    187,844.27x = 15,422,403,240
  5. Step 5: Solve for x
    x = 15,422,403,240/187,844.27
  6. Step 6: Final answer
    x = 82,102.07

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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.