Home / 268,183.24-402,274.46-68,503.67

Finding the Fourth Proportional to 268,183.24, 402,274.46 and 68,503.67

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Solution

The fourth proportional to 268,183.24, 402,274.46 and 68,503.67 is: 102,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,183.24 : 402,274.46 = 68,503.67 : x
  2. Step 2: Convert to fraction form
    268,183.24/402,274.46 = 68,503.67/x
  3. Step 3: Cross multiply
    268,183.24x = 402,274.46 × 68,503.67
  4. Step 4: Simplify right side
    268,183.24x = 27,557,278,595.81
  5. Step 5: Solve for x
    x = 27,557,278,595.81/268,183.24
  6. Step 6: Final answer
    x = 102,755.41

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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.