Home / 141,118.79-194,757.77-80,698.37

Finding the Fourth Proportional to 141,118.79, 194,757.77 and 80,698.37

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Solution

The fourth proportional to 141,118.79, 194,757.77 and 80,698.37 is: 111,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,118.79 : 194,757.77 = 80,698.37 : x
  2. Step 2: Convert to fraction form
    141,118.79/194,757.77 = 80,698.37/x
  3. Step 3: Cross multiply
    141,118.79x = 194,757.77 × 80,698.37
  4. Step 4: Simplify right side
    141,118.79x = 15,716,633,206.55
  5. Step 5: Solve for x
    x = 15,716,633,206.55/141,118.79
  6. Step 6: Final answer
    x = 111,371.66

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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.