Home / 263,913.80-395,865.16-64,235.30

Finding the Fourth Proportional to 263,913.80, 395,865.16 and 64,235.30

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Solution

The fourth proportional to 263,913.80, 395,865.16 and 64,235.30 is: 96,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,913.80 : 395,865.16 = 64,235.30 : x
  2. Step 2: Convert to fraction form
    263,913.80/395,865.16 = 64,235.30/x
  3. Step 3: Cross multiply
    263,913.80x = 395,865.16 × 64,235.30
  4. Step 4: Simplify right side
    263,913.80x = 25,428,517,312.15
  5. Step 5: Solve for x
    x = 25,428,517,312.15/263,913.80
  6. Step 6: Final answer
    x = 96,351.60

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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.