Home / 141,932.76-195,858.26-81,460.84

Finding the Fourth Proportional to 141,932.76, 195,858.26 and 81,460.84

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Solution

The fourth proportional to 141,932.76, 195,858.26 and 81,460.84 is: 112,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.76 : 195,858.26 = 81,460.84 : x
  2. Step 2: Convert to fraction form
    141,932.76/195,858.26 = 81,460.84/x
  3. Step 3: Cross multiply
    141,932.76x = 195,858.26 × 81,460.84
  4. Step 4: Simplify right side
    141,932.76x = 15,954,778,380.54
  5. Step 5: Solve for x
    x = 15,954,778,380.54/141,932.76
  6. Step 6: Final answer
    x = 112,410.82

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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.