Home / 213,076.36-319,689.06-94,736.44

Finding the Fourth Proportional to 213,076.36, 319,689.06 and 94,736.44

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Solution

The fourth proportional to 213,076.36, 319,689.06 and 94,736.44 is: 142,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,076.36 : 319,689.06 = 94,736.44 : x
  2. Step 2: Convert to fraction form
    213,076.36/319,689.06 = 94,736.44/x
  3. Step 3: Cross multiply
    213,076.36x = 319,689.06 × 94,736.44
  4. Step 4: Simplify right side
    213,076.36x = 30,286,203,451.35
  5. Step 5: Solve for x
    x = 30,286,203,451.35/213,076.36
  6. Step 6: Final answer
    x = 142,137.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.