Home / 379,109.31-568,653-154,414.17

Finding the Fourth Proportional to 379,109.31, 568,653 and 154,414.17

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Solution

The fourth proportional to 379,109.31, 568,653 and 154,414.17 is: 231,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,109.31 : 568,653 = 154,414.17 : x
  2. Step 2: Convert to fraction form
    379,109.31/568,653 = 154,414.17/x
  3. Step 3: Cross multiply
    379,109.31x = 568,653 × 154,414.17
  4. Step 4: Simplify right side
    379,109.31x = 87,808,081,013.01
  5. Step 5: Solve for x
    x = 87,808,081,013.01/379,109.31
  6. Step 6: Final answer
    x = 231,616.79

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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.