Home / 225,684.43-338,419.05-83,523.31

Finding the Fourth Proportional to 225,684.43, 338,419.05 and 83,523.31

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Solution

The fourth proportional to 225,684.43, 338,419.05 and 83,523.31 is: 125,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,684.43 : 338,419.05 = 83,523.31 : x
  2. Step 2: Convert to fraction form
    225,684.43/338,419.05 = 83,523.31/x
  3. Step 3: Cross multiply
    225,684.43x = 338,419.05 × 83,523.31
  4. Step 4: Simplify right side
    225,684.43x = 28,265,879,223.06
  5. Step 5: Solve for x
    x = 28,265,879,223.06/225,684.43
  6. Step 6: Final answer
    x = 125,245.15

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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.