Finding the Fourth Proportional to 168,226.08, 232,152.21 and 91,745.34
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Solution
The fourth proportional to 168,226.08, 232,152.21 and 91,745.34 is: 126,608.69
Step by Step Solution
- Step 1: Write the proportion equation
168,226.08 : 232,152.21 = 91,745.34 : x - Step 2: Convert to fraction form
168,226.08/232,152.21 = 91,745.34/x - Step 3: Cross multiply
168,226.08x = 232,152.21 × 91,745.34 - Step 4: Simplify right side
168,226.08x = 21,298,883,438.20 - Step 5: Solve for x
x = 21,298,883,438.20/168,226.08 - Step 6: Final answer
x = 126,608.69
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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.