Home / 141,105.68-194,718.96-80,682.92

Finding the Fourth Proportional to 141,105.68, 194,718.96 and 80,682.92

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Solution

The fourth proportional to 141,105.68, 194,718.96 and 80,682.92 is: 111,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,105.68 : 194,718.96 = 80,682.92 : x
  2. Step 2: Convert to fraction form
    141,105.68/194,718.96 = 80,682.92/x
  3. Step 3: Cross multiply
    141,105.68x = 194,718.96 × 80,682.92
  4. Step 4: Simplify right side
    141,105.68x = 15,710,493,298.57
  5. Step 5: Solve for x
    x = 15,710,493,298.57/141,105.68
  6. Step 6: Final answer
    x = 111,338.49

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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.