Home / 204,789.76-282,613-114,143.20

Finding the Fourth Proportional to 204,789.76, 282,613 and 114,143.20

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Solution

The fourth proportional to 204,789.76, 282,613 and 114,143.20 is: 157,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,789.76 : 282,613 = 114,143.20 : x
  2. Step 2: Convert to fraction form
    204,789.76/282,613 = 114,143.20/x
  3. Step 3: Cross multiply
    204,789.76x = 282,613 × 114,143.20
  4. Step 4: Simplify right side
    204,789.76x = 32,258,352,181.60
  5. Step 5: Solve for x
    x = 32,258,352,181.60/204,789.76
  6. Step 6: Final answer
    x = 157,519.36

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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.