Home / 101,198.91-151,771.85-30,102.44

Finding the Fourth Proportional to 101,198.91, 151,771.85 and 30,102.44

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Solution

The fourth proportional to 101,198.91, 151,771.85 and 30,102.44 is: 45,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,198.91 : 151,771.85 = 30,102.44 : x
  2. Step 2: Convert to fraction form
    101,198.91/151,771.85 = 30,102.44/x
  3. Step 3: Cross multiply
    101,198.91x = 151,771.85 × 30,102.44
  4. Step 4: Simplify right side
    101,198.91x = 4,568,702,098.94
  5. Step 5: Solve for x
    x = 4,568,702,098.94/101,198.91
  6. Step 6: Final answer
    x = 45,145.76

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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.