Home / 358,121.28-494,207.82-196,976.64

Finding the Fourth Proportional to 358,121.28, 494,207.82 and 196,976.64

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Solution

The fourth proportional to 358,121.28, 494,207.82 and 196,976.64 is: 271,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,121.28 : 494,207.82 = 196,976.64 : x
  2. Step 2: Convert to fraction form
    358,121.28/494,207.82 = 196,976.64/x
  3. Step 3: Cross multiply
    358,121.28x = 494,207.82 × 196,976.64
  4. Step 4: Simplify right side
    358,121.28x = 97,347,395,845.32
  5. Step 5: Solve for x
    x = 97,347,395,845.32/358,121.28
  6. Step 6: Final answer
    x = 271,828.01

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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.