Home / 139,464.30-192,553.41-107,141.36

Finding the Fourth Proportional to 139,464.30, 192,553.41 and 107,141.36

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Solution

The fourth proportional to 139,464.30, 192,553.41 and 107,141.36 is: 147,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,464.30 : 192,553.41 = 107,141.36 : x
  2. Step 2: Convert to fraction form
    139,464.30/192,553.41 = 107,141.36/x
  3. Step 3: Cross multiply
    139,464.30x = 192,553.41 × 107,141.36
  4. Step 4: Simplify right side
    139,464.30x = 20,630,433,257.27
  5. Step 5: Solve for x
    x = 20,630,433,257.27/139,464.30
  6. Step 6: Final answer
    x = 147,926.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.