Home / 383,245.60-574,824.56-102,740.96

Finding the Fourth Proportional to 383,245.60, 574,824.56 and 102,740.96

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Solution

The fourth proportional to 383,245.60, 574,824.56 and 102,740.96 is: 154,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,245.60 : 574,824.56 = 102,740.96 : x
  2. Step 2: Convert to fraction form
    383,245.60/574,824.56 = 102,740.96/x
  3. Step 3: Cross multiply
    383,245.60x = 574,824.56 × 102,740.96
  4. Step 4: Simplify right side
    383,245.60x = 59,058,027,125.98
  5. Step 5: Solve for x
    x = 59,058,027,125.98/383,245.60
  6. Step 6: Final answer
    x = 154,099.69

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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.