Home / 100,231.11-150,369.90-29,155.44

Finding the Fourth Proportional to 100,231.11, 150,369.90 and 29,155.44

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Solution

The fourth proportional to 100,231.11, 150,369.90 and 29,155.44 is: 43,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,231.11 : 150,369.90 = 29,155.44 : x
  2. Step 2: Convert to fraction form
    100,231.11/150,369.90 = 29,155.44/x
  3. Step 3: Cross multiply
    100,231.11x = 150,369.90 × 29,155.44
  4. Step 4: Simplify right side
    100,231.11x = 4,384,100,597.26
  5. Step 5: Solve for x
    x = 4,384,100,597.26/100,231.11
  6. Step 6: Final answer
    x = 43,739.92

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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.