Home / 133,311.42-184,016.07-76,745.34

Finding the Fourth Proportional to 133,311.42, 184,016.07 and 76,745.34

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Solution

The fourth proportional to 133,311.42, 184,016.07 and 76,745.34 is: 105,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,311.42 : 184,016.07 = 76,745.34 : x
  2. Step 2: Convert to fraction form
    133,311.42/184,016.07 = 76,745.34/x
  3. Step 3: Cross multiply
    133,311.42x = 184,016.07 × 76,745.34
  4. Step 4: Simplify right side
    133,311.42x = 14,122,375,857.61
  5. Step 5: Solve for x
    x = 14,122,375,857.61/133,311.42
  6. Step 6: Final answer
    x = 105,935.23

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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.