Home / 102,246.31-141,103.05-55,682.29

Finding the Fourth Proportional to 102,246.31, 141,103.05 and 55,682.29

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Solution

The fourth proportional to 102,246.31, 141,103.05 and 55,682.29 is: 76,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,246.31 : 141,103.05 = 55,682.29 : x
  2. Step 2: Convert to fraction form
    102,246.31/141,103.05 = 55,682.29/x
  3. Step 3: Cross multiply
    102,246.31x = 141,103.05 × 55,682.29
  4. Step 4: Simplify right side
    102,246.31x = 7,856,940,244.47
  5. Step 5: Solve for x
    x = 7,856,940,244.47/102,246.31
  6. Step 6: Final answer
    x = 76,843.27

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1.5x scale

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.