Home / 141,863.62-195,785.58-105,991.36

Finding the Fourth Proportional to 141,863.62, 195,785.58 and 105,991.36

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Solution

The fourth proportional to 141,863.62, 195,785.58 and 105,991.36 is: 146,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,863.62 : 195,785.58 = 105,991.36 : x
  2. Step 2: Convert to fraction form
    141,863.62/195,785.58 = 105,991.36/x
  3. Step 3: Cross multiply
    141,863.62x = 195,785.58 × 105,991.36
  4. Step 4: Simplify right side
    141,863.62x = 20,751,579,892.59
  5. Step 5: Solve for x
    x = 20,751,579,892.59/141,863.62
  6. Step 6: Final answer
    x = 146,278.38

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1.5x scale

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.