Home / 286,736.31-395,805.83-191,208.15

Finding the Fourth Proportional to 286,736.31, 395,805.83 and 191,208.15

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Solution

The fourth proportional to 286,736.31, 395,805.83 and 191,208.15 is: 263,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,736.31 : 395,805.83 = 191,208.15 : x
  2. Step 2: Convert to fraction form
    286,736.31/395,805.83 = 191,208.15/x
  3. Step 3: Cross multiply
    286,736.31x = 395,805.83 × 191,208.15
  4. Step 4: Simplify right side
    286,736.31x = 75,681,299,557.47
  5. Step 5: Solve for x
    x = 75,681,299,557.47/286,736.31
  6. Step 6: Final answer
    x = 263,940.41

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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.