Home / 192,906.74-289,443.10-104,142.62

Finding the Fourth Proportional to 192,906.74, 289,443.10 and 104,142.62

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Solution

The fourth proportional to 192,906.74, 289,443.10 and 104,142.62 is: 156,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,906.74 : 289,443.10 = 104,142.62 : x
  2. Step 2: Convert to fraction form
    192,906.74/289,443.10 = 104,142.62/x
  3. Step 3: Cross multiply
    192,906.74x = 289,443.10 × 104,142.62
  4. Step 4: Simplify right side
    192,906.74x = 30,143,362,774.92
  5. Step 5: Solve for x
    x = 30,143,362,774.92/192,906.74
  6. Step 6: Final answer
    x = 156,258.73

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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.