Home / 274,990.45-412,487.50-106,529.49

Finding the Fourth Proportional to 274,990.45, 412,487.50 and 106,529.49

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Solution

The fourth proportional to 274,990.45, 412,487.50 and 106,529.49 is: 159,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,990.45 : 412,487.50 = 106,529.49 : x
  2. Step 2: Convert to fraction form
    274,990.45/412,487.50 = 106,529.49/x
  3. Step 3: Cross multiply
    274,990.45x = 412,487.50 × 106,529.49
  4. Step 4: Simplify right side
    274,990.45x = 43,942,083,006.38
  5. Step 5: Solve for x
    x = 43,942,083,006.38/274,990.45
  6. Step 6: Final answer
    x = 159,794.94

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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.