Home / 268,161.14-402,241.23-68,481.56

Finding the Fourth Proportional to 268,161.14, 402,241.23 and 68,481.56

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Solution

The fourth proportional to 268,161.14, 402,241.23 and 68,481.56 is: 102,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,161.14 : 402,241.23 = 68,481.56 : x
  2. Step 2: Convert to fraction form
    268,161.14/402,241.23 = 68,481.56/x
  3. Step 3: Cross multiply
    268,161.14x = 402,241.23 × 68,481.56
  4. Step 4: Simplify right side
    268,161.14x = 27,546,106,926.72
  5. Step 5: Solve for x
    x = 27,546,106,926.72/268,161.14
  6. Step 6: Final answer
    x = 102,722.22

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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.