Home / 204,863.04-307,028.16-104,938.56

Finding the Fourth Proportional to 204,863.04, 307,028.16 and 104,938.56

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Solution

The fourth proportional to 204,863.04, 307,028.16 and 104,938.56 is: 157,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,863.04 : 307,028.16 = 104,938.56 : x
  2. Step 2: Convert to fraction form
    204,863.04/307,028.16 = 104,938.56/x
  3. Step 3: Cross multiply
    204,863.04x = 307,028.16 × 104,938.56
  4. Step 4: Simplify right side
    204,863.04x = 32,219,092,989.85
  5. Step 5: Solve for x
    x = 32,219,092,989.85/204,863.04
  6. Step 6: Final answer
    x = 157,271.38

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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.