Home / 141,446.28-195,223.58-81,057.40

Finding the Fourth Proportional to 141,446.28, 195,223.58 and 81,057.40

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Solution

The fourth proportional to 141,446.28, 195,223.58 and 81,057.40 is: 111,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,446.28 : 195,223.58 = 81,057.40 : x
  2. Step 2: Convert to fraction form
    141,446.28/195,223.58 = 81,057.40/x
  3. Step 3: Cross multiply
    141,446.28x = 195,223.58 × 81,057.40
  4. Step 4: Simplify right side
    141,446.28x = 15,824,315,063.57
  5. Step 5: Solve for x
    x = 15,824,315,063.57/141,446.28
  6. Step 6: Final answer
    x = 111,875.09

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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.