Home / 263,544.41-363,691.50-142,685.78

Finding the Fourth Proportional to 263,544.41, 363,691.50 and 142,685.78

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Solution

The fourth proportional to 263,544.41, 363,691.50 and 142,685.78 is: 196,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,544.41 : 363,691.50 = 142,685.78 : x
  2. Step 2: Convert to fraction form
    263,544.41/363,691.50 = 142,685.78/x
  3. Step 3: Cross multiply
    263,544.41x = 363,691.50 × 142,685.78
  4. Step 4: Simplify right side
    263,544.41x = 51,893,605,356.87
  5. Step 5: Solve for x
    x = 51,893,605,356.87/263,544.41
  6. Step 6: Final answer
    x = 196,906.49

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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.