Home / 167,634.36-251,616.78-123,136.20

Finding the Fourth Proportional to 167,634.36, 251,616.78 and 123,136.20

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Solution

The fourth proportional to 167,634.36, 251,616.78 and 123,136.20 is: 184,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,634.36 : 251,616.78 = 123,136.20 : x
  2. Step 2: Convert to fraction form
    167,634.36/251,616.78 = 123,136.20/x
  3. Step 3: Cross multiply
    167,634.36x = 251,616.78 × 123,136.20
  4. Step 4: Simplify right side
    167,634.36x = 30,983,134,145.44
  5. Step 5: Solve for x
    x = 30,983,134,145.44/167,634.36
  6. Step 6: Final answer
    x = 184,825.68

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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.