Home / 212,481.25-318,756.49-62,736.67

Finding the Fourth Proportional to 212,481.25, 318,756.49 and 62,736.67

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Solution

The fourth proportional to 212,481.25, 318,756.49 and 62,736.67 is: 94,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,481.25 : 318,756.49 = 62,736.67 : x
  2. Step 2: Convert to fraction form
    212,481.25/318,756.49 = 62,736.67/x
  3. Step 3: Cross multiply
    212,481.25x = 318,756.49 × 62,736.67
  4. Step 4: Simplify right side
    212,481.25x = 19,997,721,322.44
  5. Step 5: Solve for x
    x = 19,997,721,322.44/212,481.25
  6. Step 6: Final answer
    x = 94,115.23

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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.