Home / 221,976.87-333,014.60-103,583.62

Finding the Fourth Proportional to 221,976.87, 333,014.60 and 103,583.62

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Solution

The fourth proportional to 221,976.87, 333,014.60 and 103,583.62 is: 155,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,976.87 : 333,014.60 = 103,583.62 : x
  2. Step 2: Convert to fraction form
    221,976.87/333,014.60 = 103,583.62/x
  3. Step 3: Cross multiply
    221,976.87x = 333,014.60 × 103,583.62
  4. Step 4: Simplify right side
    221,976.87x = 34,494,857,780.85
  5. Step 5: Solve for x
    x = 34,494,857,780.85/221,976.87
  6. Step 6: Final answer
    x = 155,398.43

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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.