Home / 198,449.20-297,691.56-56,295.82

Finding the Fourth Proportional to 198,449.20, 297,691.56 and 56,295.82

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Solution

The fourth proportional to 198,449.20, 297,691.56 and 56,295.82 is: 84,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,449.20 : 297,691.56 = 56,295.82 : x
  2. Step 2: Convert to fraction form
    198,449.20/297,691.56 = 56,295.82/x
  3. Step 3: Cross multiply
    198,449.20x = 297,691.56 × 56,295.82
  4. Step 4: Simplify right side
    198,449.20x = 16,758,790,477.28
  5. Step 5: Solve for x
    x = 16,758,790,477.28/198,449.20
  6. Step 6: Final answer
    x = 84,448.77

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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.