Home / 196,961.76-271,779.84-112,069.44

Finding the Fourth Proportional to 196,961.76, 271,779.84 and 112,069.44

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Solution

The fourth proportional to 196,961.76, 271,779.84 and 112,069.44 is: 154,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,961.76 : 271,779.84 = 112,069.44 : x
  2. Step 2: Convert to fraction form
    196,961.76/271,779.84 = 112,069.44/x
  3. Step 3: Cross multiply
    196,961.76x = 271,779.84 × 112,069.44
  4. Step 4: Simplify right side
    196,961.76x = 30,458,214,472.09
  5. Step 5: Solve for x
    x = 30,458,214,472.09/196,961.76
  6. Step 6: Final answer
    x = 154,640.24

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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.