Home / 143,963.82-198,626.04-83,513.52

Finding the Fourth Proportional to 143,963.82, 198,626.04 and 83,513.52

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Solution

The fourth proportional to 143,963.82, 198,626.04 and 83,513.52 is: 115,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,963.82 : 198,626.04 = 83,513.52 : x
  2. Step 2: Convert to fraction form
    143,963.82/198,626.04 = 83,513.52/x
  3. Step 3: Cross multiply
    143,963.82x = 198,626.04 × 83,513.52
  4. Step 4: Simplify right side
    143,963.82x = 16,587,959,764.06
  5. Step 5: Solve for x
    x = 16,587,959,764.06/143,963.82
  6. Step 6: Final answer
    x = 115,223.11

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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.