Home / 263,246.88-363,279.33-142,388.04

Finding the Fourth Proportional to 263,246.88, 363,279.33 and 142,388.04

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Solution

The fourth proportional to 263,246.88, 363,279.33 and 142,388.04 is: 196,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,246.88 : 363,279.33 = 142,388.04 : x
  2. Step 2: Convert to fraction form
    263,246.88/363,279.33 = 142,388.04/x
  3. Step 3: Cross multiply
    263,246.88x = 363,279.33 × 142,388.04
  4. Step 4: Simplify right side
    263,246.88x = 51,726,631,771.21
  5. Step 5: Solve for x
    x = 51,726,631,771.21/263,246.88
  6. Step 6: Final answer
    x = 196,494.76

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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.