Home / 108,934.20-163,182.60-73,504.80

Finding the Fourth Proportional to 108,934.20, 163,182.60 and 73,504.80

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Solution

The fourth proportional to 108,934.20, 163,182.60 and 73,504.80 is: 110,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.20 : 163,182.60 = 73,504.80 : x
  2. Step 2: Convert to fraction form
    108,934.20/163,182.60 = 73,504.80/x
  3. Step 3: Cross multiply
    108,934.20x = 163,182.60 × 73,504.80
  4. Step 4: Simplify right side
    108,934.20x = 11,994,704,376.48
  5. Step 5: Solve for x
    x = 11,994,704,376.48/108,934.20
  6. Step 6: Final answer
    x = 110,109.63

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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.