Home / 103,194.08-154,791.12-82,548.80

Finding the Fourth Proportional to 103,194.08, 154,791.12 and 82,548.80

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Solution

The fourth proportional to 103,194.08, 154,791.12 and 82,548.80 is: 123,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194.08 : 154,791.12 = 82,548.80 : x
  2. Step 2: Convert to fraction form
    103,194.08/154,791.12 = 82,548.80/x
  3. Step 3: Cross multiply
    103,194.08x = 154,791.12 × 82,548.80
  4. Step 4: Simplify right side
    103,194.08x = 12,777,821,206.66
  5. Step 5: Solve for x
    x = 12,777,821,206.66/103,194.08
  6. Step 6: Final answer
    x = 123,823.20

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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.