Home / 133,486.62-184,213.96-76,132.54

Finding the Fourth Proportional to 133,486.62, 184,213.96 and 76,132.54

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Solution

The fourth proportional to 133,486.62, 184,213.96 and 76,132.54 is: 105,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,486.62 : 184,213.96 = 76,132.54 : x
  2. Step 2: Convert to fraction form
    133,486.62/184,213.96 = 76,132.54/x
  3. Step 3: Cross multiply
    133,486.62x = 184,213.96 × 76,132.54
  4. Step 4: Simplify right side
    133,486.62x = 14,024,676,678.26
  5. Step 5: Solve for x
    x = 14,024,676,678.26/133,486.62
  6. Step 6: Final answer
    x = 105,064.29

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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.