Home / 205,736.80-283,942.92-115,097.80

Finding the Fourth Proportional to 205,736.80, 283,942.92 and 115,097.80

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Solution

The fourth proportional to 205,736.80, 283,942.92 and 115,097.80 is: 158,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,736.80 : 283,942.92 = 115,097.80 : x
  2. Step 2: Convert to fraction form
    205,736.80/283,942.92 = 115,097.80/x
  3. Step 3: Cross multiply
    205,736.80x = 283,942.92 × 115,097.80
  4. Step 4: Simplify right side
    205,736.80x = 32,681,205,417.58
  5. Step 5: Solve for x
    x = 32,681,205,417.58/205,736.80
  6. Step 6: Final answer
    x = 158,849.59

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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.