Home / 222,981.08-307,693.38-132,321.44

Finding the Fourth Proportional to 222,981.08, 307,693.38 and 132,321.44

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Solution

The fourth proportional to 222,981.08, 307,693.38 and 132,321.44 is: 182,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,981.08 : 307,693.38 = 132,321.44 : x
  2. Step 2: Convert to fraction form
    222,981.08/307,693.38 = 132,321.44/x
  3. Step 3: Cross multiply
    222,981.08x = 307,693.38 × 132,321.44
  4. Step 4: Simplify right side
    222,981.08x = 40,714,431,120.07
  5. Step 5: Solve for x
    x = 40,714,431,120.07/222,981.08
  6. Step 6: Final answer
    x = 182,591.42

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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.