Home / 215,005.39-322,546.83-88,576.54

Finding the Fourth Proportional to 215,005.39, 322,546.83 and 88,576.54

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Solution

The fourth proportional to 215,005.39, 322,546.83 and 88,576.54 is: 132,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005.39 : 322,546.83 = 88,576.54 : x
  2. Step 2: Convert to fraction form
    215,005.39/322,546.83 = 88,576.54/x
  3. Step 3: Cross multiply
    215,005.39x = 322,546.83 × 88,576.54
  4. Step 4: Simplify right side
    215,005.39x = 28,570,081,050.84
  5. Step 5: Solve for x
    x = 28,570,081,050.84/215,005.39
  6. Step 6: Final answer
    x = 132,880.77

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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.