Home / 200,961.18-301,231.08-67,795.56

Finding the Fourth Proportional to 200,961.18, 301,231.08 and 67,795.56

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Solution

The fourth proportional to 200,961.18, 301,231.08 and 67,795.56 is: 101,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,961.18 : 301,231.08 = 67,795.56 : x
  2. Step 2: Convert to fraction form
    200,961.18/301,231.08 = 67,795.56/x
  3. Step 3: Cross multiply
    200,961.18x = 301,231.08 × 67,795.56
  4. Step 4: Simplify right side
    200,961.18x = 20,422,129,758.00
  5. Step 5: Solve for x
    x = 20,422,129,758.00/200,961.18
  6. Step 6: Final answer
    x = 101,622.26

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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.