Home / 204,780.84-307,168.83-64,538.25

Finding the Fourth Proportional to 204,780.84, 307,168.83 and 64,538.25

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Solution

The fourth proportional to 204,780.84, 307,168.83 and 64,538.25 is: 96,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,780.84 : 307,168.83 = 64,538.25 : x
  2. Step 2: Convert to fraction form
    204,780.84/307,168.83 = 64,538.25/x
  3. Step 3: Cross multiply
    204,780.84x = 307,168.83 × 64,538.25
  4. Step 4: Simplify right side
    204,780.84x = 19,824,138,742.75
  5. Step 5: Solve for x
    x = 19,824,138,742.75/204,780.84
  6. Step 6: Final answer
    x = 96,806.61

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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.