Home / 383,132.22-528,717.69-211,046.64

Finding the Fourth Proportional to 383,132.22, 528,717.69 and 211,046.64

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Solution

The fourth proportional to 383,132.22, 528,717.69 and 211,046.64 is: 291,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,132.22 : 528,717.69 = 211,046.64 : x
  2. Step 2: Convert to fraction form
    383,132.22/528,717.69 = 211,046.64/x
  3. Step 3: Cross multiply
    383,132.22x = 528,717.69 × 211,046.64
  4. Step 4: Simplify right side
    383,132.22x = 111,584,091,983.06
  5. Step 5: Solve for x
    x = 111,584,091,983.06/383,132.22
  6. Step 6: Final answer
    x = 291,241.73

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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.