Home / 281,826.85-422,734.02-68,595.67

Finding the Fourth Proportional to 281,826.85, 422,734.02 and 68,595.67

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Solution

The fourth proportional to 281,826.85, 422,734.02 and 68,595.67 is: 102,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,826.85 : 422,734.02 = 68,595.67 : x
  2. Step 2: Convert to fraction form
    281,826.85/422,734.02 = 68,595.67/x
  3. Step 3: Cross multiply
    281,826.85x = 422,734.02 × 68,595.67
  4. Step 4: Simplify right side
    281,826.85x = 28,997,723,333.69
  5. Step 5: Solve for x
    x = 28,997,723,333.69/281,826.85
  6. Step 6: Final answer
    x = 102,891.98

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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.