Home / 184,939.20-277,408.80-66,614.40

Finding the Fourth Proportional to 184,939.20, 277,408.80 and 66,614.40

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Solution

The fourth proportional to 184,939.20, 277,408.80 and 66,614.40 is: 99,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,939.20 : 277,408.80 = 66,614.40 : x
  2. Step 2: Convert to fraction form
    184,939.20/277,408.80 = 66,614.40/x
  3. Step 3: Cross multiply
    184,939.20x = 277,408.80 × 66,614.40
  4. Step 4: Simplify right side
    184,939.20x = 18,479,420,766.72
  5. Step 5: Solve for x
    x = 18,479,420,766.72/184,939.20
  6. Step 6: Final answer
    x = 99,921.60

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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.