Home / 263,546.27-363,693.40-142,687.56

Finding the Fourth Proportional to 263,546.27, 363,693.40 and 142,687.56

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Solution

The fourth proportional to 263,546.27, 363,693.40 and 142,687.56 is: 196,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,546.27 : 363,693.40 = 142,687.56 : x
  2. Step 2: Convert to fraction form
    263,546.27/363,693.40 = 142,687.56/x
  3. Step 3: Cross multiply
    263,546.27x = 363,693.40 × 142,687.56
  4. Step 4: Simplify right side
    263,546.27x = 51,894,523,834.10
  5. Step 5: Solve for x
    x = 51,894,523,834.10/263,546.27
  6. Step 6: Final answer
    x = 196,908.59

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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.