Home / 268,963.12-371,162.40-148,103.44

Finding the Fourth Proportional to 268,963.12, 371,162.40 and 148,103.44

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Solution

The fourth proportional to 268,963.12, 371,162.40 and 148,103.44 is: 204,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,963.12 : 371,162.40 = 148,103.44 : x
  2. Step 2: Convert to fraction form
    268,963.12/371,162.40 = 148,103.44/x
  3. Step 3: Cross multiply
    268,963.12x = 371,162.40 × 148,103.44
  4. Step 4: Simplify right side
    268,963.12x = 54,970,428,238.66
  5. Step 5: Solve for x
    x = 54,970,428,238.66/268,963.12
  6. Step 6: Final answer
    x = 204,379.05

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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.