Home / 190,335.81-285,481.64-50,105.37

Finding the Fourth Proportional to 190,335.81, 285,481.64 and 50,105.37

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Solution

The fourth proportional to 190,335.81, 285,481.64 and 50,105.37 is: 75,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.81 : 285,481.64 = 50,105.37 : x
  2. Step 2: Convert to fraction form
    190,335.81/285,481.64 = 50,105.37/x
  3. Step 3: Cross multiply
    190,335.81x = 285,481.64 × 50,105.37
  4. Step 4: Simplify right side
    190,335.81x = 14,304,162,949.88
  5. Step 5: Solve for x
    x = 14,304,162,949.88/190,335.81
  6. Step 6: Final answer
    x = 75,152.24

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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.