Home / 205,790.58-283,612.05-169,761.78

Finding the Fourth Proportional to 205,790.58, 283,612.05 and 169,761.78

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Solution

The fourth proportional to 205,790.58, 283,612.05 and 169,761.78 is: 233,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,790.58 : 283,612.05 = 169,761.78 : x
  2. Step 2: Convert to fraction form
    205,790.58/283,612.05 = 169,761.78/x
  3. Step 3: Cross multiply
    205,790.58x = 283,612.05 × 169,761.78
  4. Step 4: Simplify right side
    205,790.58x = 48,146,486,437.45
  5. Step 5: Solve for x
    x = 48,146,486,437.45/205,790.58
  6. Step 6: Final answer
    x = 233,958.65

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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.