Home / 383,836.79-529,695.69-214,081.85

Finding the Fourth Proportional to 383,836.79, 529,695.69 and 214,081.85

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Solution

The fourth proportional to 383,836.79, 529,695.69 and 214,081.85 is: 295,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,836.79 : 529,695.69 = 214,081.85 : x
  2. Step 2: Convert to fraction form
    383,836.79/529,695.69 = 214,081.85/x
  3. Step 3: Cross multiply
    383,836.79x = 529,695.69 × 214,081.85
  4. Step 4: Simplify right side
    383,836.79x = 113,398,233,252.23
  5. Step 5: Solve for x
    x = 113,398,233,252.23/383,836.79
  6. Step 6: Final answer
    x = 295,433.47

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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.