Home / 263,220.69-393,792.20-199,362.83

Finding the Fourth Proportional to 263,220.69, 393,792.20 and 199,362.83

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Solution

The fourth proportional to 263,220.69, 393,792.20 and 199,362.83 is: 298,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,220.69 : 393,792.20 = 199,362.83 : x
  2. Step 2: Convert to fraction form
    263,220.69/393,792.20 = 199,362.83/x
  3. Step 3: Cross multiply
    263,220.69x = 393,792.20 × 199,362.83
  4. Step 4: Simplify right side
    263,220.69x = 78,507,528,523.76
  5. Step 5: Solve for x
    x = 78,507,528,523.76/263,220.69
  6. Step 6: Final answer
    x = 298,257.44

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1.5x scale

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.