Home / 141,479.44-195,237.80-80,236.87

Finding the Fourth Proportional to 141,479.44, 195,237.80 and 80,236.87

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Solution

The fourth proportional to 141,479.44, 195,237.80 and 80,236.87 is: 110,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479.44 : 195,237.80 = 80,236.87 : x
  2. Step 2: Convert to fraction form
    141,479.44/195,237.80 = 80,236.87/x
  3. Step 3: Cross multiply
    141,479.44x = 195,237.80 × 80,236.87
  4. Step 4: Simplify right side
    141,479.44x = 15,665,269,576.50
  5. Step 5: Solve for x
    x = 15,665,269,576.50/141,479.44
  6. Step 6: Final answer
    x = 110,724.71

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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.