Home / 454,561.21-681,841.46-122,137.21

Finding the Fourth Proportional to 454,561.21, 681,841.46 and 122,137.21

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Solution

The fourth proportional to 454,561.21, 681,841.46 and 122,137.21 is: 183,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,561.21 : 681,841.46 = 122,137.21 : x
  2. Step 2: Convert to fraction form
    454,561.21/681,841.46 = 122,137.21/x
  3. Step 3: Cross multiply
    454,561.21x = 681,841.46 × 122,137.21
  4. Step 4: Simplify right side
    454,561.21x = 83,278,212,976.04
  5. Step 5: Solve for x
    x = 83,278,212,976.04/454,561.21
  6. Step 6: Final answer
    x = 183,205.72

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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.