Home / 268,998.82-371,203.56-148,116.50

Finding the Fourth Proportional to 268,998.82, 371,203.56 and 148,116.50

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Solution

The fourth proportional to 268,998.82, 371,203.56 and 148,116.50 is: 204,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,998.82 : 371,203.56 = 148,116.50 : x
  2. Step 2: Convert to fraction form
    268,998.82/371,203.56 = 148,116.50/x
  3. Step 3: Cross multiply
    268,998.82x = 371,203.56 × 148,116.50
  4. Step 4: Simplify right side
    268,998.82x = 54,981,371,630.74
  5. Step 5: Solve for x
    x = 54,981,371,630.74/268,998.82
  6. Step 6: Final answer
    x = 204,392.61

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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.