Home / 396,632.43-595,185.02-143,932.63

Finding the Fourth Proportional to 396,632.43, 595,185.02 and 143,932.63

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Solution

The fourth proportional to 396,632.43, 595,185.02 and 143,932.63 is: 215,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,632.43 : 595,185.02 = 143,932.63 : x
  2. Step 2: Convert to fraction form
    396,632.43/595,185.02 = 143,932.63/x
  3. Step 3: Cross multiply
    396,632.43x = 595,185.02 × 143,932.63
  4. Step 4: Simplify right side
    396,632.43x = 85,666,545,265.20
  5. Step 5: Solve for x
    x = 85,666,545,265.20/396,632.43
  6. Step 6: Final answer
    x = 215,984.72

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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.