Home / 143,867.88-198,555.58-82,633.26

Finding the Fourth Proportional to 143,867.88, 198,555.58 and 82,633.26

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Solution

The fourth proportional to 143,867.88, 198,555.58 and 82,633.26 is: 114,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,867.88 : 198,555.58 = 82,633.26 : x
  2. Step 2: Convert to fraction form
    143,867.88/198,555.58 = 82,633.26/x
  3. Step 3: Cross multiply
    143,867.88x = 198,555.58 × 82,633.26
  4. Step 4: Simplify right side
    143,867.88x = 16,407,294,866.59
  5. Step 5: Solve for x
    x = 16,407,294,866.59/143,867.88
  6. Step 6: Final answer
    x = 114,044.18

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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.