Home / 263,546.82-363,690.27-142,687.14

Finding the Fourth Proportional to 263,546.82, 363,690.27 and 142,687.14

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Solution

The fourth proportional to 263,546.82, 363,690.27 and 142,687.14 is: 196,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,546.82 : 363,690.27 = 142,687.14 : x
  2. Step 2: Convert to fraction form
    263,546.82/363,690.27 = 142,687.14/x
  3. Step 3: Cross multiply
    263,546.82x = 363,690.27 × 142,687.14
  4. Step 4: Simplify right side
    263,546.82x = 51,893,924,472.13
  5. Step 5: Solve for x
    x = 51,893,924,472.13/263,546.82
  6. Step 6: Final answer
    x = 196,905.90

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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.