Home / 133,081.38-199,546.74-54,102.74

Finding the Fourth Proportional to 133,081.38, 199,546.74 and 54,102.74

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Solution

The fourth proportional to 133,081.38, 199,546.74 and 54,102.74 is: 81,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.38 : 199,546.74 = 54,102.74 : x
  2. Step 2: Convert to fraction form
    133,081.38/199,546.74 = 54,102.74/x
  3. Step 3: Cross multiply
    133,081.38x = 199,546.74 × 54,102.74
  4. Step 4: Simplify right side
    133,081.38x = 10,796,024,394.33
  5. Step 5: Solve for x
    x = 10,796,024,394.33/133,081.38
  6. Step 6: Final answer
    x = 81,123.48

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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.