Home / 190,335.56-285,481.26-50,105.12

Finding the Fourth Proportional to 190,335.56, 285,481.26 and 50,105.12

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Solution

The fourth proportional to 190,335.56, 285,481.26 and 50,105.12 is: 75,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.56 : 285,481.26 = 50,105.12 : x
  2. Step 2: Convert to fraction form
    190,335.56/285,481.26 = 50,105.12/x
  3. Step 3: Cross multiply
    190,335.56x = 285,481.26 × 50,105.12
  4. Step 4: Simplify right side
    190,335.56x = 14,304,072,790.05
  5. Step 5: Solve for x
    x = 14,304,072,790.05/190,335.56
  6. Step 6: Final answer
    x = 75,151.87

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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.