Home / 221,471.26-332,194.98-109,039.39

Finding the Fourth Proportional to 221,471.26, 332,194.98 and 109,039.39

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Solution

The fourth proportional to 221,471.26, 332,194.98 and 109,039.39 is: 163,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,471.26 : 332,194.98 = 109,039.39 : x
  2. Step 2: Convert to fraction form
    221,471.26/332,194.98 = 109,039.39/x
  3. Step 3: Cross multiply
    221,471.26x = 332,194.98 × 109,039.39
  4. Step 4: Simplify right side
    221,471.26x = 36,222,337,980.26
  5. Step 5: Solve for x
    x = 36,222,337,980.26/221,471.26
  6. Step 6: Final answer
    x = 163,553.22

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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.