Home / 222,067.84-306,486-126,584.32

Finding the Fourth Proportional to 222,067.84, 306,486 and 126,584.32

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Solution

The fourth proportional to 222,067.84, 306,486 and 126,584.32 is: 174,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,067.84 : 306,486 = 126,584.32 : x
  2. Step 2: Convert to fraction form
    222,067.84/306,486 = 126,584.32/x
  3. Step 3: Cross multiply
    222,067.84x = 306,486 × 126,584.32
  4. Step 4: Simplify right side
    222,067.84x = 38,796,321,899.52
  5. Step 5: Solve for x
    x = 38,796,321,899.52/222,067.84
  6. Step 6: Final answer
    x = 174,704.82

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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.