Home / 269,736.12-404,404.50-129,361.08

Finding the Fourth Proportional to 269,736.12, 404,404.50 and 129,361.08

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Solution

The fourth proportional to 269,736.12, 404,404.50 and 129,361.08 is: 193,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,736.12 : 404,404.50 = 129,361.08 : x
  2. Step 2: Convert to fraction form
    269,736.12/404,404.50 = 129,361.08/x
  3. Step 3: Cross multiply
    269,736.12x = 404,404.50 × 129,361.08
  4. Step 4: Simplify right side
    269,736.12x = 52,314,202,876.86
  5. Step 5: Solve for x
    x = 52,314,202,876.86/269,736.12
  6. Step 6: Final answer
    x = 193,945.86

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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.