Home / 108,826.20-163,020.60-73,396.80

Finding the Fourth Proportional to 108,826.20, 163,020.60 and 73,396.80

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Solution

The fourth proportional to 108,826.20, 163,020.60 and 73,396.80 is: 109,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,826.20 : 163,020.60 = 73,396.80 : x
  2. Step 2: Convert to fraction form
    108,826.20/163,020.60 = 73,396.80/x
  3. Step 3: Cross multiply
    108,826.20x = 163,020.60 × 73,396.80
  4. Step 4: Simplify right side
    108,826.20x = 11,965,190,374.08
  5. Step 5: Solve for x
    x = 11,965,190,374.08/108,826.20
  6. Step 6: Final answer
    x = 109,947.70

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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.