Home / 127,568.82-191,257.91-88,013.06

Finding the Fourth Proportional to 127,568.82, 191,257.91 and 88,013.06

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Solution

The fourth proportional to 127,568.82, 191,257.91 and 88,013.06 is: 131,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568.82 : 191,257.91 = 88,013.06 : x
  2. Step 2: Convert to fraction form
    127,568.82/191,257.91 = 88,013.06/x
  3. Step 3: Cross multiply
    127,568.82x = 191,257.91 × 88,013.06
  4. Step 4: Simplify right side
    127,568.82x = 16,833,193,908.30
  5. Step 5: Solve for x
    x = 16,833,193,908.30/127,568.82
  6. Step 6: Final answer
    x = 131,953.83

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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.