Home / 214,716.72-322,245.12-113,586.48

Finding the Fourth Proportional to 214,716.72, 322,245.12 and 113,586.48

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Solution

The fourth proportional to 214,716.72, 322,245.12 and 113,586.48 is: 170,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,716.72 : 322,245.12 = 113,586.48 : x
  2. Step 2: Convert to fraction form
    214,716.72/322,245.12 = 113,586.48/x
  3. Step 3: Cross multiply
    214,716.72x = 322,245.12 × 113,586.48
  4. Step 4: Simplify right side
    214,716.72x = 36,602,688,877.98
  5. Step 5: Solve for x
    x = 36,602,688,877.98/214,716.72
  6. Step 6: Final answer
    x = 170,469.67

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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.