Home / 229,921.11-317,361.50-148,249.43

Finding the Fourth Proportional to 229,921.11, 317,361.50 and 148,249.43

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Solution

The fourth proportional to 229,921.11, 317,361.50 and 148,249.43 is: 204,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,921.11 : 317,361.50 = 148,249.43 : x
  2. Step 2: Convert to fraction form
    229,921.11/317,361.50 = 148,249.43/x
  3. Step 3: Cross multiply
    229,921.11x = 317,361.50 × 148,249.43
  4. Step 4: Simplify right side
    229,921.11x = 47,048,659,150.89
  5. Step 5: Solve for x
    x = 47,048,659,150.89/229,921.11
  6. Step 6: Final answer
    x = 204,629.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.