Home / 204,996.41-307,530.69-70,028.75

Finding the Fourth Proportional to 204,996.41, 307,530.69 and 70,028.75

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Solution

The fourth proportional to 204,996.41, 307,530.69 and 70,028.75 is: 105,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996.41 : 307,530.69 = 70,028.75 : x
  2. Step 2: Convert to fraction form
    204,996.41/307,530.69 = 70,028.75/x
  3. Step 3: Cross multiply
    204,996.41x = 307,530.69 × 70,028.75
  4. Step 4: Simplify right side
    204,996.41x = 21,535,988,269.68
  5. Step 5: Solve for x
    x = 21,535,988,269.68/204,996.41
  6. Step 6: Final answer
    x = 105,055.44

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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.