Home / 263,611.20-395,342.16-130,570.32

Finding the Fourth Proportional to 263,611.20, 395,342.16 and 130,570.32

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Solution

The fourth proportional to 263,611.20, 395,342.16 and 130,570.32 is: 195,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,611.20 : 395,342.16 = 130,570.32 : x
  2. Step 2: Convert to fraction form
    263,611.20/395,342.16 = 130,570.32/x
  3. Step 3: Cross multiply
    263,611.20x = 395,342.16 × 130,570.32
  4. Step 4: Simplify right side
    263,611.20x = 51,619,952,340.69
  5. Step 5: Solve for x
    x = 51,619,952,340.69/263,611.20
  6. Step 6: Final answer
    x = 195,818.51

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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.