Home / 205,767.87-283,970.70-115,118.43

Finding the Fourth Proportional to 205,767.87, 283,970.70 and 115,118.43

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Solution

The fourth proportional to 205,767.87, 283,970.70 and 115,118.43 is: 158,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,767.87 : 283,970.70 = 115,118.43 : x
  2. Step 2: Convert to fraction form
    205,767.87/283,970.70 = 115,118.43/x
  3. Step 3: Cross multiply
    205,767.87x = 283,970.70 × 115,118.43
  4. Step 4: Simplify right side
    205,767.87x = 32,690,261,150.00
  5. Step 5: Solve for x
    x = 32,690,261,150.00/205,767.87
  6. Step 6: Final answer
    x = 158,869.61

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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.