Home / 262,121.86-393,183.21-112,350.43

Finding the Fourth Proportional to 262,121.86, 393,183.21 and 112,350.43

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Solution

The fourth proportional to 262,121.86, 393,183.21 and 112,350.43 is: 168,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,121.86 : 393,183.21 = 112,350.43 : x
  2. Step 2: Convert to fraction form
    262,121.86/393,183.21 = 112,350.43/x
  3. Step 3: Cross multiply
    262,121.86x = 393,183.21 × 112,350.43
  4. Step 4: Simplify right side
    262,121.86x = 44,174,302,712.28
  5. Step 5: Solve for x
    x = 44,174,302,712.28/262,121.86
  6. Step 6: Final answer
    x = 168,525.83

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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.