Finding the Fourth Proportional to 146,713.08, 202,464.18 and 79,645.08
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Solution
The fourth proportional to 146,713.08, 202,464.18 and 79,645.08 is: 109,910.28
Step by Step Solution
- Step 1: Write the proportion equation
146,713.08 : 202,464.18 = 79,645.08 : x - Step 2: Convert to fraction form
146,713.08/202,464.18 = 79,645.08/x - Step 3: Cross multiply
146,713.08x = 202,464.18 × 79,645.08 - Step 4: Simplify right side
146,713.08x = 16,125,275,813.23 - Step 5: Solve for x
x = 16,125,275,813.23/146,713.08 - Step 6: Final answer
x = 109,910.28
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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.