Home / 263,414.07-363,512.55-142,555.37

Finding the Fourth Proportional to 263,414.07, 363,512.55 and 142,555.37

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Solution

The fourth proportional to 263,414.07, 363,512.55 and 142,555.37 is: 196,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,414.07 : 363,512.55 = 142,555.37 : x
  2. Step 2: Convert to fraction form
    263,414.07/363,512.55 = 142,555.37/x
  3. Step 3: Cross multiply
    263,414.07x = 363,512.55 × 142,555.37
  4. Step 4: Simplify right side
    263,414.07x = 51,820,664,247.33
  5. Step 5: Solve for x
    x = 51,820,664,247.33/263,414.07
  6. Step 6: Final answer
    x = 196,727.02

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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.