Home / 133,704.18-184,505.22-80,018.64

Finding the Fourth Proportional to 133,704.18, 184,505.22 and 80,018.64

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Solution

The fourth proportional to 133,704.18, 184,505.22 and 80,018.64 is: 110,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,704.18 : 184,505.22 = 80,018.64 : x
  2. Step 2: Convert to fraction form
    133,704.18/184,505.22 = 80,018.64/x
  3. Step 3: Cross multiply
    133,704.18x = 184,505.22 × 80,018.64
  4. Step 4: Simplify right side
    133,704.18x = 14,763,856,777.30
  5. Step 5: Solve for x
    x = 14,763,856,777.30/133,704.18
  6. Step 6: Final answer
    x = 110,421.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.