Home / 263,841.06-395,835.46-86,472.63

Finding the Fourth Proportional to 263,841.06, 395,835.46 and 86,472.63

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Solution

The fourth proportional to 263,841.06, 395,835.46 and 86,472.63 is: 129,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,841.06 : 395,835.46 = 86,472.63 : x
  2. Step 2: Convert to fraction form
    263,841.06/395,835.46 = 86,472.63/x
  3. Step 3: Cross multiply
    263,841.06x = 395,835.46 × 86,472.63
  4. Step 4: Simplify right side
    263,841.06x = 34,228,933,057.28
  5. Step 5: Solve for x
    x = 34,228,933,057.28/263,841.06
  6. Step 6: Final answer
    x = 129,733.15

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1.5x scale

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.