Finding the Fourth Proportional to 160,869.84, 222,010.88 and 92,889.68
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Solution
The fourth proportional to 160,869.84, 222,010.88 and 92,889.68 is: 128,193.81
Step by Step Solution
- Step 1: Write the proportion equation
160,869.84 : 222,010.88 = 92,889.68 : x - Step 2: Convert to fraction form
160,869.84/222,010.88 = 92,889.68/x - Step 3: Cross multiply
160,869.84x = 222,010.88 × 92,889.68 - Step 4: Simplify right side
160,869.84x = 20,622,518,025.22 - Step 5: Solve for x
x = 20,622,518,025.22/160,869.84 - Step 6: Final answer
x = 128,193.81
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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.