Home / 269,799.40-404,699.10-82,786.60

Finding the Fourth Proportional to 269,799.40, 404,699.10 and 82,786.60

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Solution

The fourth proportional to 269,799.40, 404,699.10 and 82,786.60 is: 124,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,799.40 : 404,699.10 = 82,786.60 : x
  2. Step 2: Convert to fraction form
    269,799.40/404,699.10 = 82,786.60/x
  3. Step 3: Cross multiply
    269,799.40x = 404,699.10 × 82,786.60
  4. Step 4: Simplify right side
    269,799.40x = 33,503,662,512.06
  5. Step 5: Solve for x
    x = 33,503,662,512.06/269,799.40
  6. Step 6: Final answer
    x = 124,179.90

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1.5x scale

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.