Home / 263,506.13-395,258.45-203,621.75

Finding the Fourth Proportional to 263,506.13, 395,258.45 and 203,621.75

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Solution

The fourth proportional to 263,506.13, 395,258.45 and 203,621.75 is: 305,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,506.13 : 395,258.45 = 203,621.75 : x
  2. Step 2: Convert to fraction form
    263,506.13/395,258.45 = 203,621.75/x
  3. Step 3: Cross multiply
    263,506.13x = 395,258.45 × 203,621.75
  4. Step 4: Simplify right side
    263,506.13x = 80,483,214,296.89
  5. Step 5: Solve for x
    x = 80,483,214,296.89/263,506.13
  6. Step 6: Final answer
    x = 305,432.04

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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.