Home / 133,546.20-200,331.45-54,644.10

Finding the Fourth Proportional to 133,546.20, 200,331.45 and 54,644.10

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Solution

The fourth proportional to 133,546.20, 200,331.45 and 54,644.10 is: 81,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,546.20 : 200,331.45 = 54,644.10 : x
  2. Step 2: Convert to fraction form
    133,546.20/200,331.45 = 54,644.10/x
  3. Step 3: Cross multiply
    133,546.20x = 200,331.45 × 54,644.10
  4. Step 4: Simplify right side
    133,546.20x = 10,946,931,786.95
  5. Step 5: Solve for x
    x = 10,946,931,786.95/133,546.20
  6. Step 6: Final answer
    x = 81,971.12

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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.