Home / 214,121.10-321,106.05-73,847.10

Finding the Fourth Proportional to 214,121.10, 321,106.05 and 73,847.10

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Solution

The fourth proportional to 214,121.10, 321,106.05 and 73,847.10 is: 110,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,121.10 : 321,106.05 = 73,847.10 : x
  2. Step 2: Convert to fraction form
    214,121.10/321,106.05 = 73,847.10/x
  3. Step 3: Cross multiply
    214,121.10x = 321,106.05 × 73,847.10
  4. Step 4: Simplify right side
    214,121.10x = 23,712,750,584.96
  5. Step 5: Solve for x
    x = 23,712,750,584.96/214,121.10
  6. Step 6: Final answer
    x = 110,744.58

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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.