Home / 204,143.00-281,721.92-112,256.47

Finding the Fourth Proportional to 204,143.00, 281,721.92 and 112,256.47

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Solution

The fourth proportional to 204,143.00, 281,721.92 and 112,256.47 is: 154,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,143.00 : 281,721.92 = 112,256.47 : x
  2. Step 2: Convert to fraction form
    204,143.00/281,721.92 = 112,256.47/x
  3. Step 3: Cross multiply
    204,143.00x = 281,721.92 × 112,256.47
  4. Step 4: Simplify right side
    204,143.00x = 31,625,107,837.16
  5. Step 5: Solve for x
    x = 31,625,107,837.16/204,143.00
  6. Step 6: Final answer
    x = 154,916.44

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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.