Home / 168,074.25-252,190.07-83,840.93

Finding the Fourth Proportional to 168,074.25, 252,190.07 and 83,840.93

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Solution

The fourth proportional to 168,074.25, 252,190.07 and 83,840.93 is: 125,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,074.25 : 252,190.07 = 83,840.93 : x
  2. Step 2: Convert to fraction form
    168,074.25/252,190.07 = 83,840.93/x
  3. Step 3: Cross multiply
    168,074.25x = 252,190.07 × 83,840.93
  4. Step 4: Simplify right side
    168,074.25x = 21,143,848,325.41
  5. Step 5: Solve for x
    x = 21,143,848,325.41/168,074.25
  6. Step 6: Final answer
    x = 125,800.64

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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.