Home / 268,889.40-371,076.12-148,043.04

Finding the Fourth Proportional to 268,889.40, 371,076.12 and 148,043.04

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Solution

The fourth proportional to 268,889.40, 371,076.12 and 148,043.04 is: 204,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889.40 : 371,076.12 = 148,043.04 : x
  2. Step 2: Convert to fraction form
    268,889.40/371,076.12 = 148,043.04/x
  3. Step 3: Cross multiply
    268,889.40x = 371,076.12 × 148,043.04
  4. Step 4: Simplify right side
    268,889.40x = 54,935,236,876.20
  5. Step 5: Solve for x
    x = 54,935,236,876.20/268,889.40
  6. Step 6: Final answer
    x = 204,304.21

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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.