Home / 247,736.25-371,622.92-70,257.56

Finding the Fourth Proportional to 247,736.25, 371,622.92 and 70,257.56

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Solution

The fourth proportional to 247,736.25, 371,622.92 and 70,257.56 is: 105,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,736.25 : 371,622.92 = 70,257.56 : x
  2. Step 2: Convert to fraction form
    247,736.25/371,622.92 = 70,257.56/x
  3. Step 3: Cross multiply
    247,736.25x = 371,622.92 × 70,257.56
  4. Step 4: Simplify right side
    247,736.25x = 26,109,317,389.87
  5. Step 5: Solve for x
    x = 26,109,317,389.87/247,736.25
  6. Step 6: Final answer
    x = 105,391.59

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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.