Home / 175,942.78-263,910.47-42,823.78

Finding the Fourth Proportional to 175,942.78, 263,910.47 and 42,823.78

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Solution

The fourth proportional to 175,942.78, 263,910.47 and 42,823.78 is: 64,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,942.78 : 263,910.47 = 42,823.78 : x
  2. Step 2: Convert to fraction form
    175,942.78/263,910.47 = 42,823.78/x
  3. Step 3: Cross multiply
    175,942.78x = 263,910.47 × 42,823.78
  4. Step 4: Simplify right side
    175,942.78x = 11,301,643,906.98
  5. Step 5: Solve for x
    x = 11,301,643,906.98/175,942.78
  6. Step 6: Final answer
    x = 64,234.77

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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.