Home / 225,845.96-338,661.69-131,105.18

Finding the Fourth Proportional to 225,845.96, 338,661.69 and 131,105.18

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Solution

The fourth proportional to 225,845.96, 338,661.69 and 131,105.18 is: 196,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,845.96 : 338,661.69 = 131,105.18 : x
  2. Step 2: Convert to fraction form
    225,845.96/338,661.69 = 131,105.18/x
  3. Step 3: Cross multiply
    225,845.96x = 338,661.69 × 131,105.18
  4. Step 4: Simplify right side
    225,845.96x = 44,400,301,826.55
  5. Step 5: Solve for x
    x = 44,400,301,826.55/225,845.96
  6. Step 6: Final answer
    x = 196,595.51

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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.