Home / 185,183.56-277,888.74-80,000.20

Finding the Fourth Proportional to 185,183.56, 277,888.74 and 80,000.20

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Solution

The fourth proportional to 185,183.56, 277,888.74 and 80,000.20 is: 120,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,183.56 : 277,888.74 = 80,000.20 : x
  2. Step 2: Convert to fraction form
    185,183.56/277,888.74 = 80,000.20/x
  3. Step 3: Cross multiply
    185,183.56x = 277,888.74 × 80,000.20
  4. Step 4: Simplify right side
    185,183.56x = 22,231,154,777.75
  5. Step 5: Solve for x
    x = 22,231,154,777.75/185,183.56
  6. Step 6: Final answer
    x = 120,049.29

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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.