Home / 199,155.80-274,831.54-108,512.52

Finding the Fourth Proportional to 199,155.80, 274,831.54 and 108,512.52

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Solution

The fourth proportional to 199,155.80, 274,831.54 and 108,512.52 is: 149,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,155.80 : 274,831.54 = 108,512.52 : x
  2. Step 2: Convert to fraction form
    199,155.80/274,831.54 = 108,512.52/x
  3. Step 3: Cross multiply
    199,155.80x = 274,831.54 × 108,512.52
  4. Step 4: Simplify right side
    199,155.80x = 29,822,662,980.88
  5. Step 5: Solve for x
    x = 29,822,662,980.88/199,155.80
  6. Step 6: Final answer
    x = 149,745.39

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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.