Home / 188,044.29-282,107.96-69,715.64

Finding the Fourth Proportional to 188,044.29, 282,107.96 and 69,715.64

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Solution

The fourth proportional to 188,044.29, 282,107.96 and 69,715.64 is: 104,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.29 : 282,107.96 = 69,715.64 : x
  2. Step 2: Convert to fraction form
    188,044.29/282,107.96 = 69,715.64/x
  3. Step 3: Cross multiply
    188,044.29x = 282,107.96 × 69,715.64
  4. Step 4: Simplify right side
    188,044.29x = 19,667,335,221.38
  5. Step 5: Solve for x
    x = 19,667,335,221.38/188,044.29
  6. Step 6: Final answer
    x = 104,588.85

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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.