Home / 269,721.69-372,214.10-148,862.97

Finding the Fourth Proportional to 269,721.69, 372,214.10 and 148,862.97

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Solution

The fourth proportional to 269,721.69, 372,214.10 and 148,862.97 is: 205,429.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.69 : 372,214.10 = 148,862.97 : x
  2. Step 2: Convert to fraction form
    269,721.69/372,214.10 = 148,862.97/x
  3. Step 3: Cross multiply
    269,721.69x = 372,214.10 × 148,862.97
  4. Step 4: Simplify right side
    269,721.69x = 55,408,895,657.56
  5. Step 5: Solve for x
    x = 55,408,895,657.56/269,721.69
  6. Step 6: Final answer
    x = 205,429.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.