Home / 188,731.75-283,141.37-64,072.75

Finding the Fourth Proportional to 188,731.75, 283,141.37 and 64,072.75

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Solution

The fourth proportional to 188,731.75, 283,141.37 and 64,072.75 is: 96,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.75 : 283,141.37 = 64,072.75 : x
  2. Step 2: Convert to fraction form
    188,731.75/283,141.37 = 64,072.75/x
  3. Step 3: Cross multiply
    188,731.75x = 283,141.37 × 64,072.75
  4. Step 4: Simplify right side
    188,731.75x = 18,141,645,894.30
  5. Step 5: Solve for x
    x = 18,141,645,894.30/188,731.75
  6. Step 6: Final answer
    x = 96,123.97

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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.