Home / 143,865.27-198,553.32-82,635.57

Finding the Fourth Proportional to 143,865.27, 198,553.32 and 82,635.57

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Solution

The fourth proportional to 143,865.27, 198,553.32 and 82,635.57 is: 114,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,865.27 : 198,553.32 = 82,635.57 : x
  2. Step 2: Convert to fraction form
    143,865.27/198,553.32 = 82,635.57/x
  3. Step 3: Cross multiply
    143,865.27x = 198,553.32 × 82,635.57
  4. Step 4: Simplify right side
    143,865.27x = 16,407,566,773.59
  5. Step 5: Solve for x
    x = 16,407,566,773.59/143,865.27
  6. Step 6: Final answer
    x = 114,048.14

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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.