Home / 205,759.62-283,959.31-115,110.18

Finding the Fourth Proportional to 205,759.62, 283,959.31 and 115,110.18

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Solution

The fourth proportional to 205,759.62, 283,959.31 and 115,110.18 is: 158,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,759.62 : 283,959.31 = 115,110.18 : x
  2. Step 2: Convert to fraction form
    205,759.62/283,959.31 = 115,110.18/x
  3. Step 3: Cross multiply
    205,759.62x = 283,959.31 × 115,110.18
  4. Step 4: Simplify right side
    205,759.62x = 32,686,608,016.15
  5. Step 5: Solve for x
    x = 32,686,608,016.15/205,759.62
  6. Step 6: Final answer
    x = 158,858.22

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1.5x scale

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.