Home / 208,974.32-313,514.52-96,735.44

Finding the Fourth Proportional to 208,974.32, 313,514.52 and 96,735.44

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Solution

The fourth proportional to 208,974.32, 313,514.52 and 96,735.44 is: 145,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,974.32 : 313,514.52 = 96,735.44 : x
  2. Step 2: Convert to fraction form
    208,974.32/313,514.52 = 96,735.44/x
  3. Step 3: Cross multiply
    208,974.32x = 313,514.52 × 96,735.44
  4. Step 4: Simplify right side
    208,974.32x = 30,327,965,038.59
  5. Step 5: Solve for x
    x = 30,327,965,038.59/208,974.32
  6. Step 6: Final answer
    x = 145,127.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.