Home / 212,849.07-319,125.96-113,079.33

Finding the Fourth Proportional to 212,849.07, 319,125.96 and 113,079.33

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Solution

The fourth proportional to 212,849.07, 319,125.96 and 113,079.33 is: 169,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.07 : 319,125.96 = 113,079.33 : x
  2. Step 2: Convert to fraction form
    212,849.07/319,125.96 = 113,079.33/x
  3. Step 3: Cross multiply
    212,849.07x = 319,125.96 × 113,079.33
  4. Step 4: Simplify right side
    212,849.07x = 36,086,548,146.78
  5. Step 5: Solve for x
    x = 36,086,548,146.78/212,849.07
  6. Step 6: Final answer
    x = 169,540.55

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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.