Home / 169,198.66-253,788.65-56,867.28

Finding the Fourth Proportional to 169,198.66, 253,788.65 and 56,867.28

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Solution

The fourth proportional to 169,198.66, 253,788.65 and 56,867.28 is: 85,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.66 : 253,788.65 = 56,867.28 : x
  2. Step 2: Convert to fraction form
    169,198.66/253,788.65 = 56,867.28/x
  3. Step 3: Cross multiply
    169,198.66x = 253,788.65 × 56,867.28
  4. Step 4: Simplify right side
    169,198.66x = 14,432,270,220.37
  5. Step 5: Solve for x
    x = 14,432,270,220.37/169,198.66
  6. Step 6: Final answer
    x = 85,297.78

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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.