Home / 191,183.82-263,840.34-105,149.34

Finding the Fourth Proportional to 191,183.82, 263,840.34 and 105,149.34

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Solution

The fourth proportional to 191,183.82, 263,840.34 and 105,149.34 is: 145,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,183.82 : 263,840.34 = 105,149.34 : x
  2. Step 2: Convert to fraction form
    191,183.82/263,840.34 = 105,149.34/x
  3. Step 3: Cross multiply
    191,183.82x = 263,840.34 × 105,149.34
  4. Step 4: Simplify right side
    191,183.82x = 27,742,637,616.38
  5. Step 5: Solve for x
    x = 27,742,637,616.38/191,183.82
  6. Step 6: Final answer
    x = 145,109.76

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1.5x scale

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.