Home / 204,429.45-306,706.97-104,659.70

Finding the Fourth Proportional to 204,429.45, 306,706.97 and 104,659.70

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Solution

The fourth proportional to 204,429.45, 306,706.97 and 104,659.70 is: 157,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429.45 : 306,706.97 = 104,659.70 : x
  2. Step 2: Convert to fraction form
    204,429.45/306,706.97 = 104,659.70/x
  3. Step 3: Cross multiply
    204,429.45x = 306,706.97 × 104,659.70
  4. Step 4: Simplify right side
    204,429.45x = 32,099,858,196.22
  5. Step 5: Solve for x
    x = 32,099,858,196.22/204,429.45
  6. Step 6: Final answer
    x = 157,021.69

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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.