Home / 141,832.14-195,727.75-78,169.78

Finding the Fourth Proportional to 141,832.14, 195,727.75 and 78,169.78

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Solution

The fourth proportional to 141,832.14, 195,727.75 and 78,169.78 is: 107,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,832.14 : 195,727.75 = 78,169.78 : x
  2. Step 2: Convert to fraction form
    141,832.14/195,727.75 = 78,169.78/x
  3. Step 3: Cross multiply
    141,832.14x = 195,727.75 × 78,169.78
  4. Step 4: Simplify right side
    141,832.14x = 15,299,995,157.40
  5. Step 5: Solve for x
    x = 15,299,995,157.40/141,832.14
  6. Step 6: Final answer
    x = 107,873.96

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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.