Home / 263,517.90-363,653.03-142,658.30

Finding the Fourth Proportional to 263,517.90, 363,653.03 and 142,658.30

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Solution

The fourth proportional to 263,517.90, 363,653.03 and 142,658.30 is: 196,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,517.90 : 363,653.03 = 142,658.30 : x
  2. Step 2: Convert to fraction form
    263,517.90/363,653.03 = 142,658.30/x
  3. Step 3: Cross multiply
    263,517.90x = 363,653.03 × 142,658.30
  4. Step 4: Simplify right side
    263,517.90x = 51,878,123,049.65
  5. Step 5: Solve for x
    x = 51,878,123,049.65/263,517.90
  6. Step 6: Final answer
    x = 196,867.55

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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.