Home / 139,744.44-192,847.77-76,082.63

Finding the Fourth Proportional to 139,744.44, 192,847.77 and 76,082.63

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Solution

The fourth proportional to 139,744.44, 192,847.77 and 76,082.63 is: 104,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,744.44 : 192,847.77 = 76,082.63 : x
  2. Step 2: Convert to fraction form
    139,744.44/192,847.77 = 76,082.63/x
  3. Step 3: Cross multiply
    139,744.44x = 192,847.77 × 76,082.63
  4. Step 4: Simplify right side
    139,744.44x = 14,672,364,567.00
  5. Step 5: Solve for x
    x = 14,672,364,567.00/139,744.44
  6. Step 6: Final answer
    x = 104,994.26

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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.