Home / 133,625.48-184,351.84-76,268

Finding the Fourth Proportional to 133,625.48, 184,351.84 and 76,268

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Solution

The fourth proportional to 133,625.48, 184,351.84 and 76,268 is: 105,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,625.48 : 184,351.84 = 76,268 : x
  2. Step 2: Convert to fraction form
    133,625.48/184,351.84 = 76,268/x
  3. Step 3: Cross multiply
    133,625.48x = 184,351.84 × 76,268
  4. Step 4: Simplify right side
    133,625.48x = 14,060,146,133.12
  5. Step 5: Solve for x
    x = 14,060,146,133.12/133,625.48
  6. Step 6: Final answer
    x = 105,220.55

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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.