Home / 154,091.09-231,136.65-41,771.31

Finding the Fourth Proportional to 154,091.09, 231,136.65 and 41,771.31

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Solution

The fourth proportional to 154,091.09, 231,136.65 and 41,771.31 is: 62,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,091.09 : 231,136.65 = 41,771.31 : x
  2. Step 2: Convert to fraction form
    154,091.09/231,136.65 = 41,771.31/x
  3. Step 3: Cross multiply
    154,091.09x = 231,136.65 × 41,771.31
  4. Step 4: Simplify right side
    154,091.09x = 9,654,880,659.51
  5. Step 5: Solve for x
    x = 9,654,880,659.51/154,091.09
  6. Step 6: Final answer
    x = 62,656.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.