Home / 204,231.08-281,837.32-112,348.39

Finding the Fourth Proportional to 204,231.08, 281,837.32 and 112,348.39

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Solution

The fourth proportional to 204,231.08, 281,837.32 and 112,348.39 is: 155,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,231.08 : 281,837.32 = 112,348.39 : x
  2. Step 2: Convert to fraction form
    204,231.08/281,837.32 = 112,348.39/x
  3. Step 3: Cross multiply
    204,231.08x = 281,837.32 × 112,348.39
  4. Step 4: Simplify right side
    204,231.08x = 31,663,969,143.91
  5. Step 5: Solve for x
    x = 31,663,969,143.91/204,231.08
  6. Step 6: Final answer
    x = 155,039.91

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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.