Home / 204,647.94-307,040.23-90,780.04

Finding the Fourth Proportional to 204,647.94, 307,040.23 and 90,780.04

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Solution

The fourth proportional to 204,647.94, 307,040.23 and 90,780.04 is: 136,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,647.94 : 307,040.23 = 90,780.04 : x
  2. Step 2: Convert to fraction form
    204,647.94/307,040.23 = 90,780.04/x
  3. Step 3: Cross multiply
    204,647.94x = 307,040.23 × 90,780.04
  4. Step 4: Simplify right side
    204,647.94x = 27,873,123,763.81
  5. Step 5: Solve for x
    x = 27,873,123,763.81/204,647.94
  6. Step 6: Final answer
    x = 136,200.36

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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.