Home / 132,943.20-199,531.44-73,845.60

Finding the Fourth Proportional to 132,943.20, 199,531.44 and 73,845.60

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Solution

The fourth proportional to 132,943.20, 199,531.44 and 73,845.60 is: 110,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.20 : 199,531.44 = 73,845.60 : x
  2. Step 2: Convert to fraction form
    132,943.20/199,531.44 = 73,845.60/x
  3. Step 3: Cross multiply
    132,943.20x = 199,531.44 × 73,845.60
  4. Step 4: Simplify right side
    132,943.20x = 14,734,518,905.66
  5. Step 5: Solve for x
    x = 14,734,518,905.66/132,943.20
  6. Step 6: Final answer
    x = 110,833.19

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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.