Home / 139,174.27-192,060.26-75,512.05

Finding the Fourth Proportional to 139,174.27, 192,060.26 and 75,512.05

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Solution

The fourth proportional to 139,174.27, 192,060.26 and 75,512.05 is: 104,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,174.27 : 192,060.26 = 75,512.05 : x
  2. Step 2: Convert to fraction form
    139,174.27/192,060.26 = 75,512.05/x
  3. Step 3: Cross multiply
    139,174.27x = 192,060.26 × 75,512.05
  4. Step 4: Simplify right side
    139,174.27x = 14,502,863,578.57
  5. Step 5: Solve for x
    x = 14,502,863,578.57/139,174.27
  6. Step 6: Final answer
    x = 104,206.50

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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.