Home / 204,457.39-306,664.22-71,340.17

Finding the Fourth Proportional to 204,457.39, 306,664.22 and 71,340.17

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Solution

The fourth proportional to 204,457.39, 306,664.22 and 71,340.17 is: 107,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,457.39 : 306,664.22 = 71,340.17 : x
  2. Step 2: Convert to fraction form
    204,457.39/306,664.22 = 71,340.17/x
  3. Step 3: Cross multiply
    204,457.39x = 306,664.22 × 71,340.17
  4. Step 4: Simplify right side
    204,457.39x = 21,877,476,593.63
  5. Step 5: Solve for x
    x = 21,877,476,593.63/204,457.39
  6. Step 6: Final answer
    x = 107,002.62

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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.