Home / 263,500.06-395,261.02-76,511.56

Finding the Fourth Proportional to 263,500.06, 395,261.02 and 76,511.56

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Solution

The fourth proportional to 263,500.06, 395,261.02 and 76,511.56 is: 114,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,500.06 : 395,261.02 = 76,511.56 : x
  2. Step 2: Convert to fraction form
    263,500.06/395,261.02 = 76,511.56/x
  3. Step 3: Cross multiply
    263,500.06x = 395,261.02 × 76,511.56
  4. Step 4: Simplify right side
    263,500.06x = 30,242,037,247.39
  5. Step 5: Solve for x
    x = 30,242,037,247.39/263,500.06
  6. Step 6: Final answer
    x = 114,770.51

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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.