Home / 141,183.44-194,836.30-77,521.50

Finding the Fourth Proportional to 141,183.44, 194,836.30 and 77,521.50

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Solution

The fourth proportional to 141,183.44, 194,836.30 and 77,521.50 is: 106,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,183.44 : 194,836.30 = 77,521.50 : x
  2. Step 2: Convert to fraction form
    141,183.44/194,836.30 = 77,521.50/x
  3. Step 3: Cross multiply
    141,183.44x = 194,836.30 × 77,521.50
  4. Step 4: Simplify right side
    141,183.44x = 15,104,002,230.45
  5. Step 5: Solve for x
    x = 15,104,002,230.45/141,183.44
  6. Step 6: Final answer
    x = 106,981.40

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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.