Home / 263,523.90-363,662.89-142,665.10

Finding the Fourth Proportional to 263,523.90, 363,662.89 and 142,665.10

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Solution

The fourth proportional to 263,523.90, 363,662.89 and 142,665.10 is: 196,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,523.90 : 363,662.89 = 142,665.10 : x
  2. Step 2: Convert to fraction form
    263,523.90/363,662.89 = 142,665.10/x
  3. Step 3: Cross multiply
    263,523.90x = 363,662.89 × 142,665.10
  4. Step 4: Simplify right side
    263,523.90x = 51,882,002,568.14
  5. Step 5: Solve for x
    x = 51,882,002,568.14/263,523.90
  6. Step 6: Final answer
    x = 196,877.79

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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.