Home / 248,090.89-342,239.23-162,100.23

Finding the Fourth Proportional to 248,090.89, 342,239.23 and 162,100.23

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Solution

The fourth proportional to 248,090.89, 342,239.23 and 162,100.23 is: 223,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,090.89 : 342,239.23 = 162,100.23 : x
  2. Step 2: Convert to fraction form
    248,090.89/342,239.23 = 162,100.23/x
  3. Step 3: Cross multiply
    248,090.89x = 342,239.23 × 162,100.23
  4. Step 4: Simplify right side
    248,090.89x = 55,477,056,734.94
  5. Step 5: Solve for x
    x = 55,477,056,734.94/248,090.89
  6. Step 6: Final answer
    x = 223,615.86

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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.