Home / 281,746.89-422,639.78-104,249.97

Finding the Fourth Proportional to 281,746.89, 422,639.78 and 104,249.97

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Solution

The fourth proportional to 281,746.89, 422,639.78 and 104,249.97 is: 156,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,746.89 : 422,639.78 = 104,249.97 : x
  2. Step 2: Convert to fraction form
    281,746.89/422,639.78 = 104,249.97/x
  3. Step 3: Cross multiply
    281,746.89x = 422,639.78 × 104,249.97
  4. Step 4: Simplify right side
    281,746.89x = 44,060,183,864.56
  5. Step 5: Solve for x
    x = 44,060,183,864.56/281,746.89
  6. Step 6: Final answer
    x = 156,382.15

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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.