Home / 133,491.37-184,199.91-79,765.03

Finding the Fourth Proportional to 133,491.37, 184,199.91 and 79,765.03

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Solution

The fourth proportional to 133,491.37, 184,199.91 and 79,765.03 is: 110,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,491.37 : 184,199.91 = 79,765.03 : x
  2. Step 2: Convert to fraction form
    133,491.37/184,199.91 = 79,765.03/x
  3. Step 3: Cross multiply
    133,491.37x = 184,199.91 × 79,765.03
  4. Step 4: Simplify right side
    133,491.37x = 14,692,711,347.15
  5. Step 5: Solve for x
    x = 14,692,711,347.15/133,491.37
  6. Step 6: Final answer
    x = 110,064.88

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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.