Home / 322,731.10-445,374.64-179,491.21

Finding the Fourth Proportional to 322,731.10, 445,374.64 and 179,491.21

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Solution

The fourth proportional to 322,731.10, 445,374.64 and 179,491.21 is: 247,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731.10 : 445,374.64 = 179,491.21 : x
  2. Step 2: Convert to fraction form
    322,731.10/445,374.64 = 179,491.21/x
  3. Step 3: Cross multiply
    322,731.10x = 445,374.64 × 179,491.21
  4. Step 4: Simplify right side
    322,731.10x = 79,940,833,036.91
  5. Step 5: Solve for x
    x = 79,940,833,036.91/322,731.10
  6. Step 6: Final answer
    x = 247,701.05

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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.