Home / 263,512.79-363,644.64-142,651.43

Finding the Fourth Proportional to 263,512.79, 363,644.64 and 142,651.43

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Solution

The fourth proportional to 263,512.79, 363,644.64 and 142,651.43 is: 196,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,512.79 : 363,644.64 = 142,651.43 : x
  2. Step 2: Convert to fraction form
    263,512.79/363,644.64 = 142,651.43/x
  3. Step 3: Cross multiply
    263,512.79x = 363,644.64 × 142,651.43
  4. Step 4: Simplify right side
    263,512.79x = 51,874,427,453.28
  5. Step 5: Solve for x
    x = 51,874,427,453.28/263,512.79
  6. Step 6: Final answer
    x = 196,857.34

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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.