Home / 212,234.32-318,241.95-62,455.15

Finding the Fourth Proportional to 212,234.32, 318,241.95 and 62,455.15

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Solution

The fourth proportional to 212,234.32, 318,241.95 and 62,455.15 is: 93,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,234.32 : 318,241.95 = 62,455.15 : x
  2. Step 2: Convert to fraction form
    212,234.32/318,241.95 = 62,455.15/x
  3. Step 3: Cross multiply
    212,234.32x = 318,241.95 × 62,455.15
  4. Step 4: Simplify right side
    212,234.32x = 19,875,848,723.54
  5. Step 5: Solve for x
    x = 19,875,848,723.54/212,234.32
  6. Step 6: Final answer
    x = 93,650.49

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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.