Home / 204,972.49-307,518.27-85,007.44

Finding the Fourth Proportional to 204,972.49, 307,518.27 and 85,007.44

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Solution

The fourth proportional to 204,972.49, 307,518.27 and 85,007.44 is: 127,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,972.49 : 307,518.27 = 85,007.44 : x
  2. Step 2: Convert to fraction form
    204,972.49/307,518.27 = 85,007.44/x
  3. Step 3: Cross multiply
    204,972.49x = 307,518.27 × 85,007.44
  4. Step 4: Simplify right side
    204,972.49x = 26,141,340,885.93
  5. Step 5: Solve for x
    x = 26,141,340,885.93/204,972.49
  6. Step 6: Final answer
    x = 127,535.85

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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.