Home / 228,696.22-343,039.47-122,116.42

Finding the Fourth Proportional to 228,696.22, 343,039.47 and 122,116.42

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Solution

The fourth proportional to 228,696.22, 343,039.47 and 122,116.42 is: 183,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,696.22 : 343,039.47 = 122,116.42 : x
  2. Step 2: Convert to fraction form
    228,696.22/343,039.47 = 122,116.42/x
  3. Step 3: Cross multiply
    228,696.22x = 343,039.47 × 122,116.42
  4. Step 4: Simplify right side
    228,696.22x = 41,890,751,995.10
  5. Step 5: Solve for x
    x = 41,890,751,995.10/228,696.22
  6. Step 6: Final answer
    x = 183,172.03

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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.