Home / 133,072.20-199,608.54-88,785.48

Finding the Fourth Proportional to 133,072.20, 199,608.54 and 88,785.48

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Solution

The fourth proportional to 133,072.20, 199,608.54 and 88,785.48 is: 133,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.20 : 199,608.54 = 88,785.48 : x
  2. Step 2: Convert to fraction form
    133,072.20/199,608.54 = 88,785.48/x
  3. Step 3: Cross multiply
    133,072.20x = 199,608.54 × 88,785.48
  4. Step 4: Simplify right side
    133,072.20x = 17,722,340,036.00
  5. Step 5: Solve for x
    x = 17,722,340,036.00/133,072.20
  6. Step 6: Final answer
    x = 133,178.38

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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.