Home / 190,136.56-285,183.24-49,906.12

Finding the Fourth Proportional to 190,136.56, 285,183.24 and 49,906.12

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Solution

The fourth proportional to 190,136.56, 285,183.24 and 49,906.12 is: 74,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.56 : 285,183.24 = 49,906.12 : x
  2. Step 2: Convert to fraction form
    190,136.56/285,183.24 = 49,906.12/x
  3. Step 3: Cross multiply
    190,136.56x = 285,183.24 × 49,906.12
  4. Step 4: Simplify right side
    190,136.56x = 14,232,388,997.43
  5. Step 5: Solve for x
    x = 14,232,388,997.43/190,136.56
  6. Step 6: Final answer
    x = 74,853.51

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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.