Home / 263,636.12-363,818.18-142,777.60

Finding the Fourth Proportional to 263,636.12, 363,818.18 and 142,777.60

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Solution

The fourth proportional to 263,636.12, 363,818.18 and 142,777.60 is: 197,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,636.12 : 363,818.18 = 142,777.60 : x
  2. Step 2: Convert to fraction form
    263,636.12/363,818.18 = 142,777.60/x
  3. Step 3: Cross multiply
    263,636.12x = 363,818.18 × 142,777.60
  4. Step 4: Simplify right side
    263,636.12x = 51,945,086,576.77
  5. Step 5: Solve for x
    x = 51,945,086,576.77/263,636.12
  6. Step 6: Final answer
    x = 197,033.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.