Home / 141,716.06-195,581.96-105,843.78

Finding the Fourth Proportional to 141,716.06, 195,581.96 and 105,843.78

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Solution

The fourth proportional to 141,716.06, 195,581.96 and 105,843.78 is: 146,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,716.06 : 195,581.96 = 105,843.78 : x
  2. Step 2: Convert to fraction form
    141,716.06/195,581.96 = 105,843.78/x
  3. Step 3: Cross multiply
    141,716.06x = 195,581.96 × 105,843.78
  4. Step 4: Simplify right side
    141,716.06x = 20,701,133,946.21
  5. Step 5: Solve for x
    x = 20,701,133,946.21/141,716.06
  6. Step 6: Final answer
    x = 146,074.72

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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.