Home / 263,321.50-363,383.91-144,089.50

Finding the Fourth Proportional to 263,321.50, 363,383.91 and 144,089.50

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Solution

The fourth proportional to 263,321.50, 363,383.91 and 144,089.50 is: 198,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,321.50 : 363,383.91 = 144,089.50 : x
  2. Step 2: Convert to fraction form
    263,321.50/363,383.91 = 144,089.50/x
  3. Step 3: Cross multiply
    263,321.50x = 363,383.91 × 144,089.50
  4. Step 4: Simplify right side
    263,321.50x = 52,359,805,899.95
  5. Step 5: Solve for x
    x = 52,359,805,899.95/263,321.50
  6. Step 6: Final answer
    x = 198,843.64

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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.