Home / 179,845.79-248,034.78-108,212.40

Finding the Fourth Proportional to 179,845.79, 248,034.78 and 108,212.40

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Solution

The fourth proportional to 179,845.79, 248,034.78 and 108,212.40 is: 149,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,845.79 : 248,034.78 = 108,212.40 : x
  2. Step 2: Convert to fraction form
    179,845.79/248,034.78 = 108,212.40/x
  3. Step 3: Cross multiply
    179,845.79x = 248,034.78 × 108,212.40
  4. Step 4: Simplify right side
    179,845.79x = 26,840,438,827.27
  5. Step 5: Solve for x
    x = 26,840,438,827.27/179,845.79
  6. Step 6: Final answer
    x = 149,241.41

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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.