Home / 133,761.98-184,593.04-76,408.90

Finding the Fourth Proportional to 133,761.98, 184,593.04 and 76,408.90

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Solution

The fourth proportional to 133,761.98, 184,593.04 and 76,408.90 is: 105,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,761.98 : 184,593.04 = 76,408.90 : x
  2. Step 2: Convert to fraction form
    133,761.98/184,593.04 = 76,408.90/x
  3. Step 3: Cross multiply
    133,761.98x = 184,593.04 × 76,408.90
  4. Step 4: Simplify right side
    133,761.98x = 14,104,550,481.55
  5. Step 5: Solve for x
    x = 14,104,550,481.55/133,761.98
  6. Step 6: Final answer
    x = 105,445.14

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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.