Home / 261,195.20-391,771.02-184,978.64

Finding the Fourth Proportional to 261,195.20, 391,771.02 and 184,978.64

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Solution

The fourth proportional to 261,195.20, 391,771.02 and 184,978.64 is: 277,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,195.20 : 391,771.02 = 184,978.64 : x
  2. Step 2: Convert to fraction form
    261,195.20/391,771.02 = 184,978.64/x
  3. Step 3: Cross multiply
    261,195.20x = 391,771.02 × 184,978.64
  4. Step 4: Simplify right side
    261,195.20x = 72,469,270,471.01
  5. Step 5: Solve for x
    x = 72,469,270,471.01/261,195.20
  6. Step 6: Final answer
    x = 277,452.54

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1.5x scale

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.