Home / 263,938.36-395,908.32-64,258.72

Finding the Fourth Proportional to 263,938.36, 395,908.32 and 64,258.72

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Solution

The fourth proportional to 263,938.36, 395,908.32 and 64,258.72 is: 96,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,938.36 : 395,908.32 = 64,258.72 : x
  2. Step 2: Convert to fraction form
    263,938.36/395,908.32 = 64,258.72/x
  3. Step 3: Cross multiply
    263,938.36x = 395,908.32 × 64,258.72
  4. Step 4: Simplify right side
    263,938.36x = 25,440,561,880.55
  5. Step 5: Solve for x
    x = 25,440,561,880.55/263,938.36
  6. Step 6: Final answer
    x = 96,388.27

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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.