Home / 268,972.58-403,519.35-82,002.98

Finding the Fourth Proportional to 268,972.58, 403,519.35 and 82,002.98

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Solution

The fourth proportional to 268,972.58, 403,519.35 and 82,002.98 is: 123,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.58 : 403,519.35 = 82,002.98 : x
  2. Step 2: Convert to fraction form
    268,972.58/403,519.35 = 82,002.98/x
  3. Step 3: Cross multiply
    268,972.58x = 403,519.35 × 82,002.98
  4. Step 4: Simplify right side
    268,972.58x = 33,089,789,187.66
  5. Step 5: Solve for x
    x = 33,089,789,187.66/268,972.58
  6. Step 6: Final answer
    x = 123,022.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.