Home / 108,820.67-163,198.19-42,245.96

Finding the Fourth Proportional to 108,820.67, 163,198.19 and 42,245.96

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Solution

The fourth proportional to 108,820.67, 163,198.19 and 42,245.96 is: 63,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,820.67 : 163,198.19 = 42,245.96 : x
  2. Step 2: Convert to fraction form
    108,820.67/163,198.19 = 42,245.96/x
  3. Step 3: Cross multiply
    108,820.67x = 163,198.19 × 42,245.96
  4. Step 4: Simplify right side
    108,820.67x = 6,894,463,496.44
  5. Step 5: Solve for x
    x = 6,894,463,496.44/108,820.67
  6. Step 6: Final answer
    x = 63,356.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.