Home / 190,622.92-285,936.82-50,380.34

Finding the Fourth Proportional to 190,622.92, 285,936.82 and 50,380.34

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Solution

The fourth proportional to 190,622.92, 285,936.82 and 50,380.34 is: 75,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,622.92 : 285,936.82 = 50,380.34 : x
  2. Step 2: Convert to fraction form
    190,622.92/285,936.82 = 50,380.34/x
  3. Step 3: Cross multiply
    190,622.92x = 285,936.82 × 50,380.34
  4. Step 4: Simplify right side
    190,622.92x = 14,405,594,210.12
  5. Step 5: Solve for x
    x = 14,405,594,210.12/190,622.92
  6. Step 6: Final answer
    x = 75,571.15

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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.