Home / 382,739.12-574,138.12-116,522.48

Finding the Fourth Proportional to 382,739.12, 574,138.12 and 116,522.48

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Solution

The fourth proportional to 382,739.12, 574,138.12 and 116,522.48 is: 174,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,739.12 : 574,138.12 = 116,522.48 : x
  2. Step 2: Convert to fraction form
    382,739.12/574,138.12 = 116,522.48/x
  3. Step 3: Cross multiply
    382,739.12x = 574,138.12 × 116,522.48
  4. Step 4: Simplify right side
    382,739.12x = 66,899,997,604.94
  5. Step 5: Solve for x
    x = 66,899,997,604.94/382,739.12
  6. Step 6: Final answer
    x = 174,792.68

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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.