Home / 196,181.25-294,269.82-129,917.85

Finding the Fourth Proportional to 196,181.25, 294,269.82 and 129,917.85

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Solution

The fourth proportional to 196,181.25, 294,269.82 and 129,917.85 is: 194,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,181.25 : 294,269.82 = 129,917.85 : x
  2. Step 2: Convert to fraction form
    196,181.25/294,269.82 = 129,917.85/x
  3. Step 3: Cross multiply
    196,181.25x = 294,269.82 × 129,917.85
  4. Step 4: Simplify right side
    196,181.25x = 38,230,903,069.96
  5. Step 5: Solve for x
    x = 38,230,903,069.96/196,181.25
  6. Step 6: Final answer
    x = 194,875.42

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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.