Finding the Fourth Proportional to 178,418.21, 246,194.44 and 101,942.26
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Solution
The fourth proportional to 178,418.21, 246,194.44 and 101,942.26 is: 140,667.35
Step by Step Solution
- Step 1: Write the proportion equation
178,418.21 : 246,194.44 = 101,942.26 : x - Step 2: Convert to fraction form
178,418.21/246,194.44 = 101,942.26/x - Step 3: Cross multiply
178,418.21x = 246,194.44 × 101,942.26 - Step 4: Simplify right side
178,418.21x = 25,097,616,742.69 - Step 5: Solve for x
x = 25,097,616,742.69/178,418.21 - Step 6: Final answer
x = 140,667.35
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1.5x scale
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.