Home / 175,858.11-263,786.47-42,738.76

Finding the Fourth Proportional to 175,858.11, 263,786.47 and 42,738.76

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Solution

The fourth proportional to 175,858.11, 263,786.47 and 42,738.76 is: 64,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,858.11 : 263,786.47 = 42,738.76 : x
  2. Step 2: Convert to fraction form
    175,858.11/263,786.47 = 42,738.76/x
  3. Step 3: Cross multiply
    175,858.11x = 263,786.47 × 42,738.76
  4. Step 4: Simplify right side
    175,858.11x = 11,273,906,632.58
  5. Step 5: Solve for x
    x = 11,273,906,632.58/175,858.11
  6. Step 6: Final answer
    x = 64,107.97

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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.