Home / 139,742.98-192,846.06-76,082.44

Finding the Fourth Proportional to 139,742.98, 192,846.06 and 76,082.44

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Solution

The fourth proportional to 139,742.98, 192,846.06 and 76,082.44 is: 104,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,742.98 : 192,846.06 = 76,082.44 : x
  2. Step 2: Convert to fraction form
    139,742.98/192,846.06 = 76,082.44/x
  3. Step 3: Cross multiply
    139,742.98x = 192,846.06 × 76,082.44
  4. Step 4: Simplify right side
    139,742.98x = 14,672,198,789.19
  5. Step 5: Solve for x
    x = 14,672,198,789.19/139,742.98
  6. Step 6: Final answer
    x = 104,994.17

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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.