Home / 133,520.31-200,286.94-43,562.85

Finding the Fourth Proportional to 133,520.31, 200,286.94 and 43,562.85

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Solution

The fourth proportional to 133,520.31, 200,286.94 and 43,562.85 is: 65,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,520.31 : 200,286.94 = 43,562.85 : x
  2. Step 2: Convert to fraction form
    133,520.31/200,286.94 = 43,562.85/x
  3. Step 3: Cross multiply
    133,520.31x = 200,286.94 × 43,562.85
  4. Step 4: Simplify right side
    133,520.31x = 8,725,069,924.18
  5. Step 5: Solve for x
    x = 8,725,069,924.18/133,520.31
  6. Step 6: Final answer
    x = 65,346.39

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1.5x scale

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.