Home / 338,905.31-508,184.22-179,067.20

Finding the Fourth Proportional to 338,905.31, 508,184.22 and 179,067.20

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Solution

The fourth proportional to 338,905.31, 508,184.22 and 179,067.20 is: 268,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,905.31 : 508,184.22 = 179,067.20 : x
  2. Step 2: Convert to fraction form
    338,905.31/508,184.22 = 179,067.20/x
  3. Step 3: Cross multiply
    338,905.31x = 508,184.22 × 179,067.20
  4. Step 4: Simplify right side
    338,905.31x = 90,999,125,359.58
  5. Step 5: Solve for x
    x = 90,999,125,359.58/338,905.31
  6. Step 6: Final answer
    x = 268,509.00

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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.