Home / 167,829.32-251,744.64-67,991.44

Finding the Fourth Proportional to 167,829.32, 251,744.64 and 67,991.44

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Solution

The fourth proportional to 167,829.32, 251,744.64 and 67,991.44 is: 101,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,829.32 : 251,744.64 = 67,991.44 : x
  2. Step 2: Convert to fraction form
    167,829.32/251,744.64 = 67,991.44/x
  3. Step 3: Cross multiply
    167,829.32x = 251,744.64 × 67,991.44
  4. Step 4: Simplify right side
    167,829.32x = 17,116,480,585.88
  5. Step 5: Solve for x
    x = 17,116,480,585.88/167,829.32
  6. Step 6: Final answer
    x = 101,987.43

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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.