Home / 336,183.60-463,982.78-221,443.86

Finding the Fourth Proportional to 336,183.60, 463,982.78 and 221,443.86

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Solution

The fourth proportional to 336,183.60, 463,982.78 and 221,443.86 is: 305,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,183.60 : 463,982.78 = 221,443.86 : x
  2. Step 2: Convert to fraction form
    336,183.60/463,982.78 = 221,443.86/x
  3. Step 3: Cross multiply
    336,183.60x = 463,982.78 × 221,443.86
  4. Step 4: Simplify right side
    336,183.60x = 102,746,137,776.73
  5. Step 5: Solve for x
    x = 102,746,137,776.73/336,183.60
  6. Step 6: Final answer
    x = 305,625.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.