Home / 122,986.20-184,479.30-110,933.40

Finding the Fourth Proportional to 122,986.20, 184,479.30 and 110,933.40

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Solution

The fourth proportional to 122,986.20, 184,479.30 and 110,933.40 is: 166,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,986.20 : 184,479.30 = 110,933.40 : x
  2. Step 2: Convert to fraction form
    122,986.20/184,479.30 = 110,933.40/x
  3. Step 3: Cross multiply
    122,986.20x = 184,479.30 × 110,933.40
  4. Step 4: Simplify right side
    122,986.20x = 20,464,915,978.62
  5. Step 5: Solve for x
    x = 20,464,915,978.62/122,986.20
  6. Step 6: Final answer
    x = 166,400.10

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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.