Home / 263,851.20-395,085.60-193,348.80

Finding the Fourth Proportional to 263,851.20, 395,085.60 and 193,348.80

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Solution

The fourth proportional to 263,851.20, 395,085.60 and 193,348.80 is: 289,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,851.20 : 395,085.60 = 193,348.80 : x
  2. Step 2: Convert to fraction form
    263,851.20/395,085.60 = 193,348.80/x
  3. Step 3: Cross multiply
    263,851.20x = 395,085.60 × 193,348.80
  4. Step 4: Simplify right side
    263,851.20x = 76,389,326,657.28
  5. Step 5: Solve for x
    x = 76,389,326,657.28/263,851.20
  6. Step 6: Final answer
    x = 289,516.69

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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.