Home / 222,975.22-307,704.19-120,998.11

Finding the Fourth Proportional to 222,975.22, 307,704.19 and 120,998.11

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Solution

The fourth proportional to 222,975.22, 307,704.19 and 120,998.11 is: 166,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,975.22 : 307,704.19 = 120,998.11 : x
  2. Step 2: Convert to fraction form
    222,975.22/307,704.19 = 120,998.11/x
  3. Step 3: Cross multiply
    222,975.22x = 307,704.19 × 120,998.11
  4. Step 4: Simplify right side
    222,975.22x = 37,231,625,429.08
  5. Step 5: Solve for x
    x = 37,231,625,429.08/222,975.22
  6. Step 6: Final answer
    x = 166,976.52

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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.