Home / 108,183.96-149,356.44-82,488.60

Finding the Fourth Proportional to 108,183.96, 149,356.44 and 82,488.60

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Solution

The fourth proportional to 108,183.96, 149,356.44 and 82,488.60 is: 113,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,183.96 : 149,356.44 = 82,488.60 : x
  2. Step 2: Convert to fraction form
    108,183.96/149,356.44 = 82,488.60/x
  3. Step 3: Cross multiply
    108,183.96x = 149,356.44 × 82,488.60
  4. Step 4: Simplify right side
    108,183.96x = 12,320,203,636.58
  5. Step 5: Solve for x
    x = 12,320,203,636.58/108,183.96
  6. Step 6: Final answer
    x = 113,881.98

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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.