Finding the Fourth Proportional to 162,268.08, 223,942.07 and 93,378.66
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Solution
The fourth proportional to 162,268.08, 223,942.07 and 93,378.66 is: 128,869.53
Step by Step Solution
- Step 1: Write the proportion equation
162,268.08 : 223,942.07 = 93,378.66 : x - Step 2: Convert to fraction form
162,268.08/223,942.07 = 93,378.66/x - Step 3: Cross multiply
162,268.08x = 223,942.07 × 93,378.66 - Step 4: Simplify right side
162,268.08x = 20,911,410,414.23 - Step 5: Solve for x
x = 20,911,410,414.23/162,268.08 - Step 6: Final answer
x = 128,869.53
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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.