Home / 105,930.44-146,181.96-58,182.68

Finding the Fourth Proportional to 105,930.44, 146,181.96 and 58,182.68

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Solution

The fourth proportional to 105,930.44, 146,181.96 and 58,182.68 is: 80,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,930.44 : 146,181.96 = 58,182.68 : x
  2. Step 2: Convert to fraction form
    105,930.44/146,181.96 = 58,182.68/x
  3. Step 3: Cross multiply
    105,930.44x = 146,181.96 × 58,182.68
  4. Step 4: Simplify right side
    105,930.44x = 8,505,258,200.45
  5. Step 5: Solve for x
    x = 8,505,258,200.45/105,930.44
  6. Step 6: Final answer
    x = 80,290.97

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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.