Home / 141,103.18-194,722.23-77,441.14

Finding the Fourth Proportional to 141,103.18, 194,722.23 and 77,441.14

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Solution

The fourth proportional to 141,103.18, 194,722.23 and 77,441.14 is: 106,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,103.18 : 194,722.23 = 77,441.14 : x
  2. Step 2: Convert to fraction form
    141,103.18/194,722.23 = 77,441.14/x
  3. Step 3: Cross multiply
    141,103.18x = 194,722.23 × 77,441.14
  4. Step 4: Simplify right side
    141,103.18x = 15,079,511,474.54
  5. Step 5: Solve for x
    x = 15,079,511,474.54/141,103.18
  6. Step 6: Final answer
    x = 106,868.69

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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.