Home / 141,187.17-194,855.85-80,749.43

Finding the Fourth Proportional to 141,187.17, 194,855.85 and 80,749.43

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Solution

The fourth proportional to 141,187.17, 194,855.85 and 80,749.43 is: 111,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,187.17 : 194,855.85 = 80,749.43 : x
  2. Step 2: Convert to fraction form
    141,187.17/194,855.85 = 80,749.43/x
  3. Step 3: Cross multiply
    141,187.17x = 194,855.85 × 80,749.43
  4. Step 4: Simplify right side
    141,187.17x = 15,734,497,845.39
  5. Step 5: Solve for x
    x = 15,734,497,845.39/141,187.17
  6. Step 6: Final answer
    x = 111,444.25

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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.