Home / 129,592.83-193,950.18-79,704.57

Finding the Fourth Proportional to 129,592.83, 193,950.18 and 79,704.57

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Solution

The fourth proportional to 129,592.83, 193,950.18 and 79,704.57 is: 119,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,592.83 : 193,950.18 = 79,704.57 : x
  2. Step 2: Convert to fraction form
    129,592.83/193,950.18 = 79,704.57/x
  3. Step 3: Cross multiply
    129,592.83x = 193,950.18 × 79,704.57
  4. Step 4: Simplify right side
    129,592.83x = 15,458,715,698.32
  5. Step 5: Solve for x
    x = 15,458,715,698.32/129,592.83
  6. Step 6: Final answer
    x = 119,286.81

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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.