Home / 383,955.18-529,856.55-214,189.44

Finding the Fourth Proportional to 383,955.18, 529,856.55 and 214,189.44

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Solution

The fourth proportional to 383,955.18, 529,856.55 and 214,189.44 is: 295,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,955.18 : 529,856.55 = 214,189.44 : x
  2. Step 2: Convert to fraction form
    383,955.18/529,856.55 = 214,189.44/x
  3. Step 3: Cross multiply
    383,955.18x = 529,856.55 × 214,189.44
  4. Step 4: Simplify right side
    383,955.18x = 113,489,677,724.83
  5. Step 5: Solve for x
    x = 113,489,677,724.83/383,955.18
  6. Step 6: Final answer
    x = 295,580.54

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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.