Home / 263,343.12-363,414.76-148,626.60

Finding the Fourth Proportional to 263,343.12, 363,414.76 and 148,626.60

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Solution

The fourth proportional to 263,343.12, 363,414.76 and 148,626.60 is: 205,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,343.12 : 363,414.76 = 148,626.60 : x
  2. Step 2: Convert to fraction form
    263,343.12/363,414.76 = 148,626.60/x
  3. Step 3: Cross multiply
    263,343.12x = 363,414.76 × 148,626.60
  4. Step 4: Simplify right side
    263,343.12x = 54,013,099,113.68
  5. Step 5: Solve for x
    x = 54,013,099,113.68/263,343.12
  6. Step 6: Final answer
    x = 205,105.41

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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.