Home / 214,353.05-321,596.49-129,057.41

Finding the Fourth Proportional to 214,353.05, 321,596.49 and 129,057.41

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Solution

The fourth proportional to 214,353.05, 321,596.49 and 129,057.41 is: 193,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,353.05 : 321,596.49 = 129,057.41 : x
  2. Step 2: Convert to fraction form
    214,353.05/321,596.49 = 129,057.41/x
  3. Step 3: Cross multiply
    214,353.05x = 321,596.49 × 129,057.41
  4. Step 4: Simplify right side
    214,353.05x = 41,504,408,456.51
  5. Step 5: Solve for x
    x = 41,504,408,456.51/214,353.05
  6. Step 6: Final answer
    x = 193,626.40

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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.