Home / 214,786.35-322,180.77-72,632.64

Finding the Fourth Proportional to 214,786.35, 322,180.77 and 72,632.64

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Solution

The fourth proportional to 214,786.35, 322,180.77 and 72,632.64 is: 108,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,786.35 : 322,180.77 = 72,632.64 : x
  2. Step 2: Convert to fraction form
    214,786.35/322,180.77 = 72,632.64/x
  3. Step 3: Cross multiply
    214,786.35x = 322,180.77 × 72,632.64
  4. Step 4: Simplify right side
    214,786.35x = 23,400,839,882.33
  5. Step 5: Solve for x
    x = 23,400,839,882.33/214,786.35
  6. Step 6: Final answer
    x = 108,949.38

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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.