Home / 133,844.20-200,734.30-77,562.60

Finding the Fourth Proportional to 133,844.20, 200,734.30 and 77,562.60

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Solution

The fourth proportional to 133,844.20, 200,734.30 and 77,562.60 is: 116,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,844.20 : 200,734.30 = 77,562.60 : x
  2. Step 2: Convert to fraction form
    133,844.20/200,734.30 = 77,562.60/x
  3. Step 3: Cross multiply
    133,844.20x = 200,734.30 × 77,562.60
  4. Step 4: Simplify right side
    133,844.20x = 15,569,474,217.18
  5. Step 5: Solve for x
    x = 15,569,474,217.18/133,844.20
  6. Step 6: Final answer
    x = 116,325.36

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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.