Finding the Fourth Proportional to 163,675.09, 225,837.75 and 95,678.92
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Solution
The fourth proportional to 163,675.09, 225,837.75 and 95,678.92 is: 132,017.11
Step by Step Solution
- Step 1: Write the proportion equation
163,675.09 : 225,837.75 = 95,678.92 : x - Step 2: Convert to fraction form
163,675.09/225,837.75 = 95,678.92/x - Step 3: Cross multiply
163,675.09x = 225,837.75 × 95,678.92 - Step 4: Simplify right side
163,675.09x = 21,607,912,015.23 - Step 5: Solve for x
x = 21,607,912,015.23/163,675.09 - Step 6: Final answer
x = 132,017.11
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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.