Home / 141,568.21-195,358.35-81,096.76

Finding the Fourth Proportional to 141,568.21, 195,358.35 and 81,096.76

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Solution

The fourth proportional to 141,568.21, 195,358.35 and 81,096.76 is: 111,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,568.21 : 195,358.35 = 81,096.76 : x
  2. Step 2: Convert to fraction form
    141,568.21/195,358.35 = 81,096.76/x
  3. Step 3: Cross multiply
    141,568.21x = 195,358.35 × 81,096.76
  4. Step 4: Simplify right side
    141,568.21x = 15,842,929,223.95
  5. Step 5: Solve for x
    x = 15,842,929,223.95/141,568.21
  6. Step 6: Final answer
    x = 111,910.22

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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.