Home / 447,682.80-671,524.20-132,115.20

Finding the Fourth Proportional to 447,682.80, 671,524.20 and 132,115.20

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Solution

The fourth proportional to 447,682.80, 671,524.20 and 132,115.20 is: 198,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,682.80 : 671,524.20 = 132,115.20 : x
  2. Step 2: Convert to fraction form
    447,682.80/671,524.20 = 132,115.20/x
  3. Step 3: Cross multiply
    447,682.80x = 671,524.20 × 132,115.20
  4. Step 4: Simplify right side
    447,682.80x = 88,718,553,987.84
  5. Step 5: Solve for x
    x = 88,718,553,987.84/447,682.80
  6. Step 6: Final answer
    x = 198,172.80

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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.