Home / 141,186.92-194,855.51-80,749.18

Finding the Fourth Proportional to 141,186.92, 194,855.51 and 80,749.18

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Solution

The fourth proportional to 141,186.92, 194,855.51 and 80,749.18 is: 111,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.92 : 194,855.51 = 80,749.18 : x
  2. Step 2: Convert to fraction form
    141,186.92/194,855.51 = 80,749.18/x
  3. Step 3: Cross multiply
    141,186.92x = 194,855.51 × 80,749.18
  4. Step 4: Simplify right side
    141,186.92x = 15,734,421,272.96
  5. Step 5: Solve for x
    x = 15,734,421,272.96/141,186.92
  6. Step 6: Final answer
    x = 111,443.90

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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.