Home / 214,302.66-321,388.37-148,167.78

Finding the Fourth Proportional to 214,302.66, 321,388.37 and 148,167.78

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Solution

The fourth proportional to 214,302.66, 321,388.37 and 148,167.78 is: 222,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,302.66 : 321,388.37 = 148,167.78 : x
  2. Step 2: Convert to fraction form
    214,302.66/321,388.37 = 148,167.78/x
  3. Step 3: Cross multiply
    214,302.66x = 321,388.37 × 148,167.78
  4. Step 4: Simplify right side
    214,302.66x = 47,619,400,559.88
  5. Step 5: Solve for x
    x = 47,619,400,559.88/214,302.66
  6. Step 6: Final answer
    x = 222,206.30

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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.