Home / 214,819.45-322,377.09-74,578.07

Finding the Fourth Proportional to 214,819.45, 322,377.09 and 74,578.07

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Solution

The fourth proportional to 214,819.45, 322,377.09 and 74,578.07 is: 111,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819.45 : 322,377.09 = 74,578.07 : x
  2. Step 2: Convert to fraction form
    214,819.45/322,377.09 = 74,578.07/x
  3. Step 3: Cross multiply
    214,819.45x = 322,377.09 × 74,578.07
  4. Step 4: Simplify right side
    214,819.45x = 24,042,261,184.42
  5. Step 5: Solve for x
    x = 24,042,261,184.42/214,819.45
  6. Step 6: Final answer
    x = 111,918.46

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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.