Home / 133,781.16-184,623.84-80,055.96

Finding the Fourth Proportional to 133,781.16, 184,623.84 and 80,055.96

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Solution

The fourth proportional to 133,781.16, 184,623.84 and 80,055.96 is: 110,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.16 : 184,623.84 = 80,055.96 : x
  2. Step 2: Convert to fraction form
    133,781.16/184,623.84 = 80,055.96/x
  3. Step 3: Cross multiply
    133,781.16x = 184,623.84 × 80,055.96
  4. Step 4: Simplify right side
    133,781.16x = 14,780,238,750.09
  5. Step 5: Solve for x
    x = 14,780,238,750.09/133,781.16
  6. Step 6: Final answer
    x = 110,480.72

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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.