Home / 222,049.32-333,205.20-81,906.36

Finding the Fourth Proportional to 222,049.32, 333,205.20 and 81,906.36

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Solution

The fourth proportional to 222,049.32, 333,205.20 and 81,906.36 is: 122,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,049.32 : 333,205.20 = 81,906.36 : x
  2. Step 2: Convert to fraction form
    222,049.32/333,205.20 = 81,906.36/x
  3. Step 3: Cross multiply
    222,049.32x = 333,205.20 × 81,906.36
  4. Step 4: Simplify right side
    222,049.32x = 27,291,625,065.07
  5. Step 5: Solve for x
    x = 27,291,625,065.07/222,049.32
  6. Step 6: Final answer
    x = 122,907.94

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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.