Home / 133,846.20-200,769.30-54,919.80

Finding the Fourth Proportional to 133,846.20, 200,769.30 and 54,919.80

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Solution

The fourth proportional to 133,846.20, 200,769.30 and 54,919.80 is: 82,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,846.20 : 200,769.30 = 54,919.80 : x
  2. Step 2: Convert to fraction form
    133,846.20/200,769.30 = 54,919.80/x
  3. Step 3: Cross multiply
    133,846.20x = 200,769.30 × 54,919.80
  4. Step 4: Simplify right side
    133,846.20x = 11,026,209,802.14
  5. Step 5: Solve for x
    x = 11,026,209,802.14/133,846.20
  6. Step 6: Final answer
    x = 82,379.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.