Finding the Fourth Proportional to 168,442.44, 232,440.60 and 91,946.31
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Solution
The fourth proportional to 168,442.44, 232,440.60 and 91,946.31 is: 126,880.47
Step by Step Solution
- Step 1: Write the proportion equation
168,442.44 : 232,440.60 = 91,946.31 : x - Step 2: Convert to fraction form
168,442.44/232,440.60 = 91,946.31/x - Step 3: Cross multiply
168,442.44x = 232,440.60 × 91,946.31 - Step 4: Simplify right side
168,442.44x = 21,372,055,464.19 - Step 5: Solve for x
x = 21,372,055,464.19/168,442.44 - Step 6: Final answer
x = 126,880.47
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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.