Home / 358,138.44-494,233.38-196,989.39

Finding the Fourth Proportional to 358,138.44, 494,233.38 and 196,989.39

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Solution

The fourth proportional to 358,138.44, 494,233.38 and 196,989.39 is: 271,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,138.44 : 494,233.38 = 196,989.39 : x
  2. Step 2: Convert to fraction form
    358,138.44/494,233.38 = 196,989.39/x
  3. Step 3: Cross multiply
    358,138.44x = 494,233.38 × 196,989.39
  4. Step 4: Simplify right side
    358,138.44x = 97,358,732,043.84
  5. Step 5: Solve for x
    x = 97,358,732,043.84/358,138.44
  6. Step 6: Final answer
    x = 271,846.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.