Home / 193,093.86-289,263.73-91,747.69

Finding the Fourth Proportional to 193,093.86, 289,263.73 and 91,747.69

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Solution

The fourth proportional to 193,093.86, 289,263.73 and 91,747.69 is: 137,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,093.86 : 289,263.73 = 91,747.69 : x
  2. Step 2: Convert to fraction form
    193,093.86/289,263.73 = 91,747.69/x
  3. Step 3: Cross multiply
    193,093.86x = 289,263.73 × 91,747.69
  4. Step 4: Simplify right side
    193,093.86x = 26,539,279,028.28
  5. Step 5: Solve for x
    x = 26,539,279,028.28/193,093.86
  6. Step 6: Final answer
    x = 137,442.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.