Home / 133,586.03-184,365.78-76,997.81

Finding the Fourth Proportional to 133,586.03, 184,365.78 and 76,997.81

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Solution

The fourth proportional to 133,586.03, 184,365.78 and 76,997.81 is: 106,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,586.03 : 184,365.78 = 76,997.81 : x
  2. Step 2: Convert to fraction form
    133,586.03/184,365.78 = 76,997.81/x
  3. Step 3: Cross multiply
    133,586.03x = 184,365.78 × 76,997.81
  4. Step 4: Simplify right side
    133,586.03x = 14,195,761,298.94
  5. Step 5: Solve for x
    x = 14,195,761,298.94/133,586.03
  6. Step 6: Final answer
    x = 106,266.81

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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.