Home / 106,245.57-159,309.38-49,257.21

Finding the Fourth Proportional to 106,245.57, 159,309.38 and 49,257.21

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Solution

The fourth proportional to 106,245.57, 159,309.38 and 49,257.21 is: 73,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,245.57 : 159,309.38 = 49,257.21 : x
  2. Step 2: Convert to fraction form
    106,245.57/159,309.38 = 49,257.21/x
  3. Step 3: Cross multiply
    106,245.57x = 159,309.38 × 49,257.21
  4. Step 4: Simplify right side
    106,245.57x = 7,847,135,339.34
  5. Step 5: Solve for x
    x = 7,847,135,339.34/106,245.57
  6. Step 6: Final answer
    x = 73,858.47

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1.5x scale

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.