Home / 133,618.25-184,387.79-79,932.94

Finding the Fourth Proportional to 133,618.25, 184,387.79 and 79,932.94

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Solution

The fourth proportional to 133,618.25, 184,387.79 and 79,932.94 is: 110,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,618.25 : 184,387.79 = 79,932.94 : x
  2. Step 2: Convert to fraction form
    133,618.25/184,387.79 = 79,932.94/x
  3. Step 3: Cross multiply
    133,618.25x = 184,387.79 × 79,932.94
  4. Step 4: Simplify right side
    133,618.25x = 14,738,656,833.20
  5. Step 5: Solve for x
    x = 14,738,656,833.20/133,618.25
  6. Step 6: Final answer
    x = 110,304.22

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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.