Home / 191,183.77-263,836.65-105,146.52

Finding the Fourth Proportional to 191,183.77, 263,836.65 and 105,146.52

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Solution

The fourth proportional to 191,183.77, 263,836.65 and 105,146.52 is: 145,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,183.77 : 263,836.65 = 105,146.52 : x
  2. Step 2: Convert to fraction form
    191,183.77/263,836.65 = 105,146.52/x
  3. Step 3: Cross multiply
    191,183.77x = 263,836.65 × 105,146.52
  4. Step 4: Simplify right side
    191,183.77x = 27,741,505,595.96
  5. Step 5: Solve for x
    x = 27,741,505,595.96/191,183.77
  6. Step 6: Final answer
    x = 145,103.87

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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.