Home / 204,838.80-307,258.19-64,608.36

Finding the Fourth Proportional to 204,838.80, 307,258.19 and 64,608.36

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Solution

The fourth proportional to 204,838.80, 307,258.19 and 64,608.36 is: 96,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,838.80 : 307,258.19 = 64,608.36 : x
  2. Step 2: Convert to fraction form
    204,838.80/307,258.19 = 64,608.36/x
  3. Step 3: Cross multiply
    204,838.80x = 307,258.19 × 64,608.36
  4. Step 4: Simplify right side
    204,838.80x = 19,851,447,429.43
  5. Step 5: Solve for x
    x = 19,851,447,429.43/204,838.80
  6. Step 6: Final answer
    x = 96,912.54

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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.