Home / 135,649.10-203,310.41-50,191.81

Finding the Fourth Proportional to 135,649.10, 203,310.41 and 50,191.81

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Solution

The fourth proportional to 135,649.10, 203,310.41 and 50,191.81 is: 75,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,649.10 : 203,310.41 = 50,191.81 : x
  2. Step 2: Convert to fraction form
    135,649.10/203,310.41 = 50,191.81/x
  3. Step 3: Cross multiply
    135,649.10x = 203,310.41 × 50,191.81
  4. Step 4: Simplify right side
    135,649.10x = 10,204,516,710.51
  5. Step 5: Solve for x
    x = 10,204,516,710.51/135,649.10
  6. Step 6: Final answer
    x = 75,227.31

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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.