Home / 212,933.46-319,024.35-189,765.84

Finding the Fourth Proportional to 212,933.46, 319,024.35 and 189,765.84

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Solution

The fourth proportional to 212,933.46, 319,024.35 and 189,765.84 is: 284,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,933.46 : 319,024.35 = 189,765.84 : x
  2. Step 2: Convert to fraction form
    212,933.46/319,024.35 = 189,765.84/x
  3. Step 3: Cross multiply
    212,933.46x = 319,024.35 × 189,765.84
  4. Step 4: Simplify right side
    212,933.46x = 60,539,923,758.20
  5. Step 5: Solve for x
    x = 60,539,923,758.20/212,933.46
  6. Step 6: Final answer
    x = 284,313.81

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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.