Home / 141,906.48-195,830.88-81,481.08

Finding the Fourth Proportional to 141,906.48, 195,830.88 and 81,481.08

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Solution

The fourth proportional to 141,906.48, 195,830.88 and 81,481.08 is: 112,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.48 : 195,830.88 = 81,481.08 : x
  2. Step 2: Convert to fraction form
    141,906.48/195,830.88 = 81,481.08/x
  3. Step 3: Cross multiply
    141,906.48x = 195,830.88 × 81,481.08
  4. Step 4: Simplify right side
    141,906.48x = 15,956,511,599.75
  5. Step 5: Solve for x
    x = 15,956,511,599.75/141,906.48
  6. Step 6: Final answer
    x = 112,443.85

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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.