Home / 143,356.03-197,855.76-82,963.44

Finding the Fourth Proportional to 143,356.03, 197,855.76 and 82,963.44

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Solution

The fourth proportional to 143,356.03, 197,855.76 and 82,963.44 is: 114,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,356.03 : 197,855.76 = 82,963.44 : x
  2. Step 2: Convert to fraction form
    143,356.03/197,855.76 = 82,963.44/x
  3. Step 3: Cross multiply
    143,356.03x = 197,855.76 × 82,963.44
  4. Step 4: Simplify right side
    143,356.03x = 16,414,794,784.53
  5. Step 5: Solve for x
    x = 16,414,794,784.53/143,356.03
  6. Step 6: Final answer
    x = 114,503.69

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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.