Home / 222,666.44-307,278.56-120,691.49

Finding the Fourth Proportional to 222,666.44, 307,278.56 and 120,691.49

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Solution

The fourth proportional to 222,666.44, 307,278.56 and 120,691.49 is: 166,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,666.44 : 307,278.56 = 120,691.49 : x
  2. Step 2: Convert to fraction form
    222,666.44/307,278.56 = 120,691.49/x
  3. Step 3: Cross multiply
    222,666.44x = 307,278.56 × 120,691.49
  4. Step 4: Simplify right side
    222,666.44x = 37,085,906,016.79
  5. Step 5: Solve for x
    x = 37,085,906,016.79/222,666.44
  6. Step 6: Final answer
    x = 166,553.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.