Home / 299,569.15-449,492.66-131,067.28

Finding the Fourth Proportional to 299,569.15, 449,492.66 and 131,067.28

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Solution

The fourth proportional to 299,569.15, 449,492.66 and 131,067.28 is: 196,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,569.15 : 449,492.66 = 131,067.28 : x
  2. Step 2: Convert to fraction form
    299,569.15/449,492.66 = 131,067.28/x
  3. Step 3: Cross multiply
    299,569.15x = 449,492.66 × 131,067.28
  4. Step 4: Simplify right side
    299,569.15x = 58,913,780,326.16
  5. Step 5: Solve for x
    x = 58,913,780,326.16/299,569.15
  6. Step 6: Final answer
    x = 196,661.71

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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.