Home / 101,168.43-151,760.07-29,118.39

Finding the Fourth Proportional to 101,168.43, 151,760.07 and 29,118.39

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Solution

The fourth proportional to 101,168.43, 151,760.07 and 29,118.39 is: 43,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.43 : 151,760.07 = 29,118.39 : x
  2. Step 2: Convert to fraction form
    101,168.43/151,760.07 = 29,118.39/x
  3. Step 3: Cross multiply
    101,168.43x = 151,760.07 × 29,118.39
  4. Step 4: Simplify right side
    101,168.43x = 4,419,008,904.69
  5. Step 5: Solve for x
    x = 4,419,008,904.69/101,168.43
  6. Step 6: Final answer
    x = 43,679.72

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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.