Home / 347,786.32-479,963.11-194,815.58

Finding the Fourth Proportional to 347,786.32, 479,963.11 and 194,815.58

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Solution

The fourth proportional to 347,786.32, 479,963.11 and 194,815.58 is: 268,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,786.32 : 479,963.11 = 194,815.58 : x
  2. Step 2: Convert to fraction form
    347,786.32/479,963.11 = 194,815.58/x
  3. Step 3: Cross multiply
    347,786.32x = 479,963.11 × 194,815.58
  4. Step 4: Simplify right side
    347,786.32x = 93,504,291,653.25
  5. Step 5: Solve for x
    x = 93,504,291,653.25/347,786.32
  6. Step 6: Final answer
    x = 268,855.58

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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.