Home / 135,054.48-202,321.44-75,709.92

Finding the Fourth Proportional to 135,054.48, 202,321.44 and 75,709.92

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Solution

The fourth proportional to 135,054.48, 202,321.44 and 75,709.92 is: 113,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,054.48 : 202,321.44 = 75,709.92 : x
  2. Step 2: Convert to fraction form
    135,054.48/202,321.44 = 75,709.92/x
  3. Step 3: Cross multiply
    135,054.48x = 202,321.44 × 75,709.92
  4. Step 4: Simplify right side
    135,054.48x = 15,317,740,036.68
  5. Step 5: Solve for x
    x = 15,317,740,036.68/135,054.48
  6. Step 6: Final answer
    x = 113,418.97

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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.