Home / 263,553.35-363,699.19-142,693.66

Finding the Fourth Proportional to 263,553.35, 363,699.19 and 142,693.66

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Solution

The fourth proportional to 263,553.35, 363,699.19 and 142,693.66 is: 196,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,553.35 : 363,699.19 = 142,693.66 : x
  2. Step 2: Convert to fraction form
    263,553.35/363,699.19 = 142,693.66/x
  3. Step 3: Cross multiply
    263,553.35x = 363,699.19 × 142,693.66
  4. Step 4: Simplify right side
    263,553.35x = 51,897,568,560.14
  5. Step 5: Solve for x
    x = 51,897,568,560.14/263,553.35
  6. Step 6: Final answer
    x = 196,914.85

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1.5x scale

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.