Home / 199,327.20-298,695.42-164,039.28

Finding the Fourth Proportional to 199,327.20, 298,695.42 and 164,039.28

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Solution

The fourth proportional to 199,327.20, 298,695.42 and 164,039.28 is: 245,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,327.20 : 298,695.42 = 164,039.28 : x
  2. Step 2: Convert to fraction form
    199,327.20/298,695.42 = 164,039.28/x
  3. Step 3: Cross multiply
    199,327.20x = 298,695.42 × 164,039.28
  4. Step 4: Simplify right side
    199,327.20x = 48,997,781,636.10
  5. Step 5: Solve for x
    x = 48,997,781,636.10/199,327.20
  6. Step 6: Final answer
    x = 245,815.83

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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.