Home / 187,826.70-281,772.89-82,642.94

Finding the Fourth Proportional to 187,826.70, 281,772.89 and 82,642.94

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Solution

The fourth proportional to 187,826.70, 281,772.89 and 82,642.94 is: 123,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,826.70 : 281,772.89 = 82,642.94 : x
  2. Step 2: Convert to fraction form
    187,826.70/281,772.89 = 82,642.94/x
  3. Step 3: Cross multiply
    187,826.70x = 281,772.89 × 82,642.94
  4. Step 4: Simplify right side
    187,826.70x = 23,286,540,041.90
  5. Step 5: Solve for x
    x = 23,286,540,041.90/187,826.70
  6. Step 6: Final answer
    x = 123,978.86

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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.