Home / 165,175.82-227,922.32-100,621.64

Finding the Fourth Proportional to 165,175.82, 227,922.32 and 100,621.64

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Solution

The fourth proportional to 165,175.82, 227,922.32 and 100,621.64 is: 138,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,175.82 : 227,922.32 = 100,621.64 : x
  2. Step 2: Convert to fraction form
    165,175.82/227,922.32 = 100,621.64/x
  3. Step 3: Cross multiply
    165,175.82x = 227,922.32 × 100,621.64
  4. Step 4: Simplify right side
    165,175.82x = 22,933,916,837.29
  5. Step 5: Solve for x
    x = 22,933,916,837.29/165,175.82
  6. Step 6: Final answer
    x = 138,845.48

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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.