Finding the Fourth Proportional to 193,917.62, 267,385.68 and 136,538.60
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Solution
The fourth proportional to 193,917.62, 267,385.68 and 136,538.60 is: 188,267.92
Step by Step Solution
- Step 1: Write the proportion equation
193,917.62 : 267,385.68 = 136,538.60 : x - Step 2: Convert to fraction form
193,917.62/267,385.68 = 136,538.60/x - Step 3: Cross multiply
193,917.62x = 267,385.68 × 136,538.60 - Step 4: Simplify right side
193,917.62x = 36,508,466,407.25 - Step 5: Solve for x
x = 36,508,466,407.25/193,917.62 - Step 6: Final answer
x = 188,267.92
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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.