Home / 187,853.37-281,785.52-54,730.68

Finding the Fourth Proportional to 187,853.37, 281,785.52 and 54,730.68

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Solution

The fourth proportional to 187,853.37, 281,785.52 and 54,730.68 is: 82,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.37 : 281,785.52 = 54,730.68 : x
  2. Step 2: Convert to fraction form
    187,853.37/281,785.52 = 54,730.68/x
  3. Step 3: Cross multiply
    187,853.37x = 281,785.52 × 54,730.68
  4. Step 4: Simplify right side
    187,853.37x = 15,422,313,123.75
  5. Step 5: Solve for x
    x = 15,422,313,123.75/187,853.37
  6. Step 6: Final answer
    x = 82,097.61

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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.