Home / 222,578.24-333,761.76-129,112.64

Finding the Fourth Proportional to 222,578.24, 333,761.76 and 129,112.64

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Solution

The fourth proportional to 222,578.24, 333,761.76 and 129,112.64 is: 193,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,578.24 : 333,761.76 = 129,112.64 : x
  2. Step 2: Convert to fraction form
    222,578.24/333,761.76 = 129,112.64/x
  3. Step 3: Cross multiply
    222,578.24x = 333,761.76 × 129,112.64
  4. Step 4: Simplify right side
    222,578.24x = 43,092,861,964.65
  5. Step 5: Solve for x
    x = 43,092,861,964.65/222,578.24
  6. Step 6: Final answer
    x = 193,607.70

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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.