Home / 141,532.11-195,318.98-81,114.33

Finding the Fourth Proportional to 141,532.11, 195,318.98 and 81,114.33

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Solution

The fourth proportional to 141,532.11, 195,318.98 and 81,114.33 is: 111,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.11 : 195,318.98 = 81,114.33 : x
  2. Step 2: Convert to fraction form
    141,532.11/195,318.98 = 81,114.33/x
  3. Step 3: Cross multiply
    141,532.11x = 195,318.98 × 81,114.33
  4. Step 4: Simplify right side
    141,532.11x = 15,843,169,476.73
  5. Step 5: Solve for x
    x = 15,843,169,476.73/141,532.11
  6. Step 6: Final answer
    x = 111,940.46

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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.