Home / 269,228.78-371,538.16-148,374.38

Finding the Fourth Proportional to 269,228.78, 371,538.16 and 148,374.38

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Solution

The fourth proportional to 269,228.78, 371,538.16 and 148,374.38 is: 204,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,228.78 : 371,538.16 = 148,374.38 : x
  2. Step 2: Convert to fraction form
    269,228.78/371,538.16 = 148,374.38/x
  3. Step 3: Cross multiply
    269,228.78x = 371,538.16 × 148,374.38
  4. Step 4: Simplify right side
    269,228.78x = 55,126,744,136.34
  5. Step 5: Solve for x
    x = 55,126,744,136.34/269,228.78
  6. Step 6: Final answer
    x = 204,757.99

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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.