Home / 140,694.72-194,158.62-77,033.76

Finding the Fourth Proportional to 140,694.72, 194,158.62 and 77,033.76

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Solution

The fourth proportional to 140,694.72, 194,158.62 and 77,033.76 is: 106,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,694.72 : 194,158.62 = 77,033.76 : x
  2. Step 2: Convert to fraction form
    140,694.72/194,158.62 = 77,033.76/x
  3. Step 3: Cross multiply
    140,694.72x = 194,158.62 × 77,033.76
  4. Step 4: Simplify right side
    140,694.72x = 14,956,768,535.01
  5. Step 5: Solve for x
    x = 14,956,768,535.01/140,694.72
  6. Step 6: Final answer
    x = 106,306.54

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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.