Home / 263,653.23-363,839.64-142,791.75

Finding the Fourth Proportional to 263,653.23, 363,839.64 and 142,791.75

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Solution

The fourth proportional to 263,653.23, 363,839.64 and 142,791.75 is: 197,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,653.23 : 363,839.64 = 142,791.75 : x
  2. Step 2: Convert to fraction form
    263,653.23/363,839.64 = 142,791.75/x
  3. Step 3: Cross multiply
    263,653.23x = 363,839.64 × 142,791.75
  4. Step 4: Simplify right side
    263,653.23x = 51,953,298,914.97
  5. Step 5: Solve for x
    x = 51,953,298,914.97/263,653.23
  6. Step 6: Final answer
    x = 197,051.63

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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.