Home / 191,976.54-264,933.27-107,091.78

Finding the Fourth Proportional to 191,976.54, 264,933.27 and 107,091.78

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Solution

The fourth proportional to 191,976.54, 264,933.27 and 107,091.78 is: 147,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,976.54 : 264,933.27 = 107,091.78 : x
  2. Step 2: Convert to fraction form
    191,976.54/264,933.27 = 107,091.78/x
  3. Step 3: Cross multiply
    191,976.54x = 264,933.27 × 107,091.78
  4. Step 4: Simplify right side
    191,976.54x = 28,372,175,465.52
  5. Step 5: Solve for x
    x = 28,372,175,465.52/191,976.54
  6. Step 6: Final answer
    x = 147,789.81

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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.