Finding the Fourth Proportional to 160,832.42, 221,944.46 and 92,847.09
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Solution
The fourth proportional to 160,832.42, 221,944.46 and 92,847.09 is: 128,126.51
Step by Step Solution
- Step 1: Write the proportion equation
160,832.42 : 221,944.46 = 92,847.09 : x - Step 2: Convert to fraction form
160,832.42/221,944.46 = 92,847.09/x - Step 3: Cross multiply
160,832.42x = 221,944.46 × 92,847.09 - Step 4: Simplify right side
160,832.42x = 20,606,896,788.39 - Step 5: Solve for x
x = 20,606,896,788.39/160,832.42 - Step 6: Final answer
x = 128,126.51
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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.