Finding the Fourth Proportional to 163,917.12, 226,203.12 and 92,296.96
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Solution
The fourth proportional to 163,917.12, 226,203.12 and 92,296.96 is: 127,368.39
Step by Step Solution
- Step 1: Write the proportion equation
163,917.12 : 226,203.12 = 92,296.96 : x - Step 2: Convert to fraction form
163,917.12/226,203.12 = 92,296.96/x - Step 3: Cross multiply
163,917.12x = 226,203.12 × 92,296.96 - Step 4: Simplify right side
163,917.12x = 20,877,860,318.52 - Step 5: Solve for x
x = 20,877,860,318.52/163,917.12 - Step 6: Final answer
x = 127,368.39
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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.