Home / 115,375.29-173,222.28-79,748.85

Finding the Fourth Proportional to 115,375.29, 173,222.28 and 79,748.85

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Solution

The fourth proportional to 115,375.29, 173,222.28 and 79,748.85 is: 119,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,375.29 : 173,222.28 = 79,748.85 : x
  2. Step 2: Convert to fraction form
    115,375.29/173,222.28 = 79,748.85/x
  3. Step 3: Cross multiply
    115,375.29x = 173,222.28 × 79,748.85
  4. Step 4: Simplify right side
    115,375.29x = 13,814,277,624.38
  5. Step 5: Solve for x
    x = 13,814,277,624.38/115,375.29
  6. Step 6: Final answer
    x = 119,733.42

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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.