Home / 188,044.30-282,107.97-69,715.65

Finding the Fourth Proportional to 188,044.30, 282,107.97 and 69,715.65

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Solution

The fourth proportional to 188,044.30, 282,107.97 and 69,715.65 is: 104,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.30 : 282,107.97 = 69,715.65 : x
  2. Step 2: Convert to fraction form
    188,044.30/282,107.97 = 69,715.65/x
  3. Step 3: Cross multiply
    188,044.30x = 282,107.97 × 69,715.65
  4. Step 4: Simplify right side
    188,044.30x = 19,667,340,498.73
  5. Step 5: Solve for x
    x = 19,667,340,498.73/188,044.30
  6. Step 6: Final answer
    x = 104,588.87

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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.