Home / 133,490.37-184,198.53-79,764.03

Finding the Fourth Proportional to 133,490.37, 184,198.53 and 79,764.03

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Solution

The fourth proportional to 133,490.37, 184,198.53 and 79,764.03 is: 110,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,490.37 : 184,198.53 = 79,764.03 : x
  2. Step 2: Convert to fraction form
    133,490.37/184,198.53 = 79,764.03/x
  3. Step 3: Cross multiply
    133,490.37x = 184,198.53 × 79,764.03
  4. Step 4: Simplify right side
    133,490.37x = 14,692,417,072.88
  5. Step 5: Solve for x
    x = 14,692,417,072.88/133,490.37
  6. Step 6: Final answer
    x = 110,063.50

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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.