Home / 141,535.35-195,216.75-81,083.97

Finding the Fourth Proportional to 141,535.35, 195,216.75 and 81,083.97

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Solution

The fourth proportional to 141,535.35, 195,216.75 and 81,083.97 is: 111,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.35 : 195,216.75 = 81,083.97 : x
  2. Step 2: Convert to fraction form
    141,535.35/195,216.75 = 81,083.97/x
  3. Step 3: Cross multiply
    141,535.35x = 195,216.75 × 81,083.97
  4. Step 4: Simplify right side
    141,535.35x = 15,828,949,100.50
  5. Step 5: Solve for x
    x = 15,828,949,100.50/141,535.35
  6. Step 6: Final answer
    x = 111,837.43

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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.