Home / 214,016.40-320,794.20-80,845.20

Finding the Fourth Proportional to 214,016.40, 320,794.20 and 80,845.20

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Solution

The fourth proportional to 214,016.40, 320,794.20 and 80,845.20 is: 121,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,016.40 : 320,794.20 = 80,845.20 : x
  2. Step 2: Convert to fraction form
    214,016.40/320,794.20 = 80,845.20/x
  3. Step 3: Cross multiply
    214,016.40x = 320,794.20 × 80,845.20
  4. Step 4: Simplify right side
    214,016.40x = 25,934,671,257.84
  5. Step 5: Solve for x
    x = 25,934,671,257.84/214,016.40
  6. Step 6: Final answer
    x = 121,180.77

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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.