Home / 113,464.44-169,991.36-81,702.54

Finding the Fourth Proportional to 113,464.44, 169,991.36 and 81,702.54

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Solution

The fourth proportional to 113,464.44, 169,991.36 and 81,702.54 is: 122,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,464.44 : 169,991.36 = 81,702.54 : x
  2. Step 2: Convert to fraction form
    113,464.44/169,991.36 = 81,702.54/x
  3. Step 3: Cross multiply
    113,464.44x = 169,991.36 × 81,702.54
  4. Step 4: Simplify right side
    113,464.44x = 13,888,725,481.54
  5. Step 5: Solve for x
    x = 13,888,725,481.54/113,464.44
  6. Step 6: Final answer
    x = 122,405.98

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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.