Home / 143,602.62-198,198.19-83,173.25

Finding the Fourth Proportional to 143,602.62, 198,198.19 and 83,173.25

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Solution

The fourth proportional to 143,602.62, 198,198.19 and 83,173.25 is: 114,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,602.62 : 198,198.19 = 83,173.25 : x
  2. Step 2: Convert to fraction form
    143,602.62/198,198.19 = 83,173.25/x
  3. Step 3: Cross multiply
    143,602.62x = 198,198.19 × 83,173.25
  4. Step 4: Simplify right side
    143,602.62x = 16,484,787,606.42
  5. Step 5: Solve for x
    x = 16,484,787,606.42/143,602.62
  6. Step 6: Final answer
    x = 114,794.48

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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.