Home / 297,229.10-445,253.13-163,778.36

Finding the Fourth Proportional to 297,229.10, 445,253.13 and 163,778.36

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Solution

The fourth proportional to 297,229.10, 445,253.13 and 163,778.36 is: 245,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,229.10 : 445,253.13 = 163,778.36 : x
  2. Step 2: Convert to fraction form
    297,229.10/445,253.13 = 163,778.36/x
  3. Step 3: Cross multiply
    297,229.10x = 445,253.13 × 163,778.36
  4. Step 4: Simplify right side
    297,229.10x = 72,922,825,190.00
  5. Step 5: Solve for x
    x = 72,922,825,190.00/297,229.10
  6. Step 6: Final answer
    x = 245,342.15

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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.