Home / 141,265.92-194,913.36-80,012.64

Finding the Fourth Proportional to 141,265.92, 194,913.36 and 80,012.64

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Solution

The fourth proportional to 141,265.92, 194,913.36 and 80,012.64 is: 110,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,265.92 : 194,913.36 = 80,012.64 : x
  2. Step 2: Convert to fraction form
    141,265.92/194,913.36 = 80,012.64/x
  3. Step 3: Cross multiply
    141,265.92x = 194,913.36 × 80,012.64
  4. Step 4: Simplify right side
    141,265.92x = 15,595,532,504.87
  5. Step 5: Solve for x
    x = 15,595,532,504.87/141,265.92
  6. Step 6: Final answer
    x = 110,398.41

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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.