Home / 454,390.26-681,711.82-198,245.22

Finding the Fourth Proportional to 454,390.26, 681,711.82 and 198,245.22

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Solution

The fourth proportional to 454,390.26, 681,711.82 and 198,245.22 is: 297,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,390.26 : 681,711.82 = 198,245.22 : x
  2. Step 2: Convert to fraction form
    454,390.26/681,711.82 = 198,245.22/x
  3. Step 3: Cross multiply
    454,390.26x = 681,711.82 × 198,245.22
  4. Step 4: Simplify right side
    454,390.26x = 135,146,109,732.50
  5. Step 5: Solve for x
    x = 135,146,109,732.50/454,390.26
  6. Step 6: Final answer
    x = 297,422.99

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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.