Home / 321,469.07-481,257.66-214,587.92

Finding the Fourth Proportional to 321,469.07, 481,257.66 and 214,587.92

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Solution

The fourth proportional to 321,469.07, 481,257.66 and 214,587.92 is: 321,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,469.07 : 481,257.66 = 214,587.92 : x
  2. Step 2: Convert to fraction form
    321,469.07/481,257.66 = 214,587.92/x
  3. Step 3: Cross multiply
    321,469.07x = 481,257.66 × 214,587.92
  4. Step 4: Simplify right side
    321,469.07x = 103,272,076,764.24
  5. Step 5: Solve for x
    x = 103,272,076,764.24/321,469.07
  6. Step 6: Final answer
    x = 321,250.43

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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.