Home / 135,022.20-202,538.16-50,774.64

Finding the Fourth Proportional to 135,022.20, 202,538.16 and 50,774.64

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Solution

The fourth proportional to 135,022.20, 202,538.16 and 50,774.64 is: 76,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,022.20 : 202,538.16 = 50,774.64 : x
  2. Step 2: Convert to fraction form
    135,022.20/202,538.16 = 50,774.64/x
  3. Step 3: Cross multiply
    135,022.20x = 202,538.16 × 50,774.64
  4. Step 4: Simplify right side
    135,022.20x = 10,283,802,160.26
  5. Step 5: Solve for x
    x = 10,283,802,160.26/135,022.20
  6. Step 6: Final answer
    x = 76,163.79

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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.