Home / 122,982.80-184,474.20-109,204.70

Finding the Fourth Proportional to 122,982.80, 184,474.20 and 109,204.70

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Solution

The fourth proportional to 122,982.80, 184,474.20 and 109,204.70 is: 163,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,982.80 : 184,474.20 = 109,204.70 : x
  2. Step 2: Convert to fraction form
    122,982.80/184,474.20 = 109,204.70/x
  3. Step 3: Cross multiply
    122,982.80x = 184,474.20 × 109,204.70
  4. Step 4: Simplify right side
    122,982.80x = 20,145,449,668.74
  5. Step 5: Solve for x
    x = 20,145,449,668.74/122,982.80
  6. Step 6: Final answer
    x = 163,807.05

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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.