Home / 133,087.30-199,464.83-66,546.46

Finding the Fourth Proportional to 133,087.30, 199,464.83 and 66,546.46

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Solution

The fourth proportional to 133,087.30, 199,464.83 and 66,546.46 is: 99,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.30 : 199,464.83 = 66,546.46 : x
  2. Step 2: Convert to fraction form
    133,087.30/199,464.83 = 66,546.46/x
  3. Step 3: Cross multiply
    133,087.30x = 199,464.83 × 66,546.46
  4. Step 4: Simplify right side
    133,087.30x = 13,273,678,497.15
  5. Step 5: Solve for x
    x = 13,273,678,497.15/133,087.30
  6. Step 6: Final answer
    x = 99,736.63

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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.