Home / 204,817.56-307,365.66-125,690.28

Finding the Fourth Proportional to 204,817.56, 307,365.66 and 125,690.28

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Solution

The fourth proportional to 204,817.56, 307,365.66 and 125,690.28 is: 188,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,817.56 : 307,365.66 = 125,690.28 : x
  2. Step 2: Convert to fraction form
    204,817.56/307,365.66 = 125,690.28/x
  3. Step 3: Cross multiply
    204,817.56x = 307,365.66 × 125,690.28
  4. Step 4: Simplify right side
    204,817.56x = 38,632,875,867.78
  5. Step 5: Solve for x
    x = 38,632,875,867.78/204,817.56
  6. Step 6: Final answer
    x = 188,620.92

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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.