Home / 357,974.03-494,005.97-196,839.45

Finding the Fourth Proportional to 357,974.03, 494,005.97 and 196,839.45

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Solution

The fourth proportional to 357,974.03, 494,005.97 and 196,839.45 is: 271,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,974.03 : 494,005.97 = 196,839.45 : x
  2. Step 2: Convert to fraction form
    357,974.03/494,005.97 = 196,839.45/x
  3. Step 3: Cross multiply
    357,974.03x = 494,005.97 × 196,839.45
  4. Step 4: Simplify right side
    357,974.03x = 97,239,863,923.62
  5. Step 5: Solve for x
    x = 97,239,863,923.62/357,974.03
  6. Step 6: Final answer
    x = 271,639.43

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1.5x scale

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.