Home / 263,553.20-363,702.94-142,694.47

Finding the Fourth Proportional to 263,553.20, 363,702.94 and 142,694.47

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Solution

The fourth proportional to 263,553.20, 363,702.94 and 142,694.47 is: 196,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,553.20 : 363,702.94 = 142,694.47 : x
  2. Step 2: Convert to fraction form
    263,553.20/363,702.94 = 142,694.47/x
  3. Step 3: Cross multiply
    263,553.20x = 363,702.94 × 142,694.47
  4. Step 4: Simplify right side
    263,553.20x = 51,898,398,260.74
  5. Step 5: Solve for x
    x = 51,898,398,260.74/263,553.20
  6. Step 6: Final answer
    x = 196,918.11

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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.