Home / 139,296.09-192,223.22-75,632.43

Finding the Fourth Proportional to 139,296.09, 192,223.22 and 75,632.43

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Solution

The fourth proportional to 139,296.09, 192,223.22 and 75,632.43 is: 104,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,296.09 : 192,223.22 = 75,632.43 : x
  2. Step 2: Convert to fraction form
    139,296.09/192,223.22 = 75,632.43/x
  3. Step 3: Cross multiply
    139,296.09x = 192,223.22 × 75,632.43
  4. Step 4: Simplify right side
    139,296.09x = 14,538,308,852.86
  5. Step 5: Solve for x
    x = 14,538,308,852.86/139,296.09
  6. Step 6: Final answer
    x = 104,369.83

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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.