Home / 204,745.56-307,151.78-64,471.36

Finding the Fourth Proportional to 204,745.56, 307,151.78 and 64,471.36

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Solution

The fourth proportional to 204,745.56, 307,151.78 and 64,471.36 is: 96,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,745.56 : 307,151.78 = 64,471.36 : x
  2. Step 2: Convert to fraction form
    204,745.56/307,151.78 = 64,471.36/x
  3. Step 3: Cross multiply
    204,745.56x = 307,151.78 × 64,471.36
  4. Step 4: Simplify right side
    204,745.56x = 19,802,492,983.02
  5. Step 5: Solve for x
    x = 19,802,492,983.02/204,745.56
  6. Step 6: Final answer
    x = 96,717.57

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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.