Home / 133,735.12-184,548-80,049.76

Finding the Fourth Proportional to 133,735.12, 184,548 and 80,049.76

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Solution

The fourth proportional to 133,735.12, 184,548 and 80,049.76 is: 110,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,735.12 : 184,548 = 80,049.76 : x
  2. Step 2: Convert to fraction form
    133,735.12/184,548 = 80,049.76/x
  3. Step 3: Cross multiply
    133,735.12x = 184,548 × 80,049.76
  4. Step 4: Simplify right side
    133,735.12x = 14,773,023,108.48
  5. Step 5: Solve for x
    x = 14,773,023,108.48/133,735.12
  6. Step 6: Final answer
    x = 110,464.80

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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.