Home / 196,799.58-271,563.75-115,115.82

Finding the Fourth Proportional to 196,799.58, 271,563.75 and 115,115.82

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Solution

The fourth proportional to 196,799.58, 271,563.75 and 115,115.82 is: 158,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,799.58 : 271,563.75 = 115,115.82 : x
  2. Step 2: Convert to fraction form
    196,799.58/271,563.75 = 115,115.82/x
  3. Step 3: Cross multiply
    196,799.58x = 271,563.75 × 115,115.82
  4. Step 4: Simplify right side
    196,799.58x = 31,261,283,763.53
  5. Step 5: Solve for x
    x = 31,261,283,763.53/196,799.58
  6. Step 6: Final answer
    x = 158,848.33

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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.