Home / 221,845.20-332,800.56-81,593.52

Finding the Fourth Proportional to 221,845.20, 332,800.56 and 81,593.52

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Solution

The fourth proportional to 221,845.20, 332,800.56 and 81,593.52 is: 122,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,845.20 : 332,800.56 = 81,593.52 : x
  2. Step 2: Convert to fraction form
    221,845.20/332,800.56 = 81,593.52/x
  3. Step 3: Cross multiply
    221,845.20x = 332,800.56 × 81,593.52
  4. Step 4: Simplify right side
    221,845.20x = 27,154,369,148.37
  5. Step 5: Solve for x
    x = 27,154,369,148.37/221,845.20
  6. Step 6: Final answer
    x = 122,402.33

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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.