Home / 171,120.60-236,134.44-99,495.54

Finding the Fourth Proportional to 171,120.60, 236,134.44 and 99,495.54

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Solution

The fourth proportional to 171,120.60, 236,134.44 and 99,495.54 is: 137,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120.60 : 236,134.44 = 99,495.54 : x
  2. Step 2: Convert to fraction form
    171,120.60/236,134.44 = 99,495.54/x
  3. Step 3: Cross multiply
    171,120.60x = 236,134.44 × 99,495.54
  4. Step 4: Simplify right side
    171,120.60x = 23,494,323,620.40
  5. Step 5: Solve for x
    x = 23,494,323,620.40/171,120.60
  6. Step 6: Final answer
    x = 137,296.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.