Home / 368,949.44-553,369.04-102,682.20

Finding the Fourth Proportional to 368,949.44, 553,369.04 and 102,682.20

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Solution

The fourth proportional to 368,949.44, 553,369.04 and 102,682.20 is: 154,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,949.44 : 553,369.04 = 102,682.20 : x
  2. Step 2: Convert to fraction form
    368,949.44/553,369.04 = 102,682.20/x
  3. Step 3: Cross multiply
    368,949.44x = 553,369.04 × 102,682.20
  4. Step 4: Simplify right side
    368,949.44x = 56,821,150,439.09
  5. Step 5: Solve for x
    x = 56,821,150,439.09/368,949.44
  6. Step 6: Final answer
    x = 154,007.96

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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.