Home / 139,656.24-192,920.00-134,471.45

Finding the Fourth Proportional to 139,656.24, 192,920.00 and 134,471.45

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Solution

The fourth proportional to 139,656.24, 192,920.00 and 134,471.45 is: 185,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,656.24 : 192,920.00 = 134,471.45 : x
  2. Step 2: Convert to fraction form
    139,656.24/192,920.00 = 134,471.45/x
  3. Step 3: Cross multiply
    139,656.24x = 192,920.00 × 134,471.45
  4. Step 4: Simplify right side
    139,656.24x = 25,942,230,497.04
  5. Step 5: Solve for x
    x = 25,942,230,497.04/139,656.24
  6. Step 6: Final answer
    x = 185,757.76

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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.