Home / 419,183.55-628,582.44-134,821.56

Finding the Fourth Proportional to 419,183.55, 628,582.44 and 134,821.56

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Solution

The fourth proportional to 419,183.55, 628,582.44 and 134,821.56 is: 202,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,183.55 : 628,582.44 = 134,821.56 : x
  2. Step 2: Convert to fraction form
    419,183.55/628,582.44 = 134,821.56/x
  3. Step 3: Cross multiply
    419,183.55x = 628,582.44 × 134,821.56
  4. Step 4: Simplify right side
    419,183.55x = 84,746,465,149.41
  5. Step 5: Solve for x
    x = 84,746,465,149.41/419,183.55
  6. Step 6: Final answer
    x = 202,170.30

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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.