Home / 340,429.08-469,720.92-197,180.58

Finding the Fourth Proportional to 340,429.08, 469,720.92 and 197,180.58

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Solution

The fourth proportional to 340,429.08, 469,720.92 and 197,180.58 is: 272,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,429.08 : 469,720.92 = 197,180.58 : x
  2. Step 2: Convert to fraction form
    340,429.08/469,720.92 = 197,180.58/x
  3. Step 3: Cross multiply
    340,429.08x = 469,720.92 × 197,180.58
  4. Step 4: Simplify right side
    340,429.08x = 92,619,843,443.73
  5. Step 5: Solve for x
    x = 92,619,843,443.73/340,429.08
  6. Step 6: Final answer
    x = 272,067.95

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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.