Home / 383,851.20-576,064.80-196,766.40

Finding the Fourth Proportional to 383,851.20, 576,064.80 and 196,766.40

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Solution

The fourth proportional to 383,851.20, 576,064.80 and 196,766.40 is: 295,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,851.20 : 576,064.80 = 196,766.40 : x
  2. Step 2: Convert to fraction form
    383,851.20/576,064.80 = 196,766.40/x
  3. Step 3: Cross multiply
    383,851.20x = 576,064.80 × 196,766.40
  4. Step 4: Simplify right side
    383,851.20x = 113,350,196,862.72
  5. Step 5: Solve for x
    x = 113,350,196,862.72/383,851.20
  6. Step 6: Final answer
    x = 295,297.23

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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.