Home / 263,448.22-395,171.76-203,563.76

Finding the Fourth Proportional to 263,448.22, 395,171.76 and 203,563.76

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Solution

The fourth proportional to 263,448.22, 395,171.76 and 203,563.76 is: 305,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,448.22 : 395,171.76 = 203,563.76 : x
  2. Step 2: Convert to fraction form
    263,448.22/395,171.76 = 203,563.76/x
  3. Step 3: Cross multiply
    263,448.22x = 395,171.76 × 203,563.76
  4. Step 4: Simplify right side
    263,448.22x = 80,442,649,210.34
  5. Step 5: Solve for x
    x = 80,442,649,210.34/263,448.22
  6. Step 6: Final answer
    x = 305,345.20

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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.