Home / 188,044.17-282,107.78-69,715.51

Finding the Fourth Proportional to 188,044.17, 282,107.78 and 69,715.51

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Solution

The fourth proportional to 188,044.17, 282,107.78 and 69,715.51 is: 104,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.17 : 282,107.78 = 69,715.51 : x
  2. Step 2: Convert to fraction form
    188,044.17/282,107.78 = 69,715.51/x
  3. Step 3: Cross multiply
    188,044.17x = 282,107.78 × 69,715.51
  4. Step 4: Simplify right side
    188,044.17x = 19,667,286,965.25
  5. Step 5: Solve for x
    x = 19,667,286,965.25/188,044.17
  6. Step 6: Final answer
    x = 104,588.66

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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.