Home / 382,083.20-573,129.60-115,846.40

Finding the Fourth Proportional to 382,083.20, 573,129.60 and 115,846.40

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Solution

The fourth proportional to 382,083.20, 573,129.60 and 115,846.40 is: 173,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,083.20 : 573,129.60 = 115,846.40 : x
  2. Step 2: Convert to fraction form
    382,083.20/573,129.60 = 115,846.40/x
  3. Step 3: Cross multiply
    382,083.20x = 573,129.60 × 115,846.40
  4. Step 4: Simplify right side
    382,083.20x = 66,395,000,893.44
  5. Step 5: Solve for x
    x = 66,395,000,893.44/382,083.20
  6. Step 6: Final answer
    x = 173,771.06

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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.