Finding the Fourth Proportional to 160,986.14, 222,171.21 and 93,006.02
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Solution
The fourth proportional to 160,986.14, 222,171.21 and 93,006.02 is: 128,354.28
Step by Step Solution
- Step 1: Write the proportion equation
160,986.14 : 222,171.21 = 93,006.02 : x - Step 2: Convert to fraction form
160,986.14/222,171.21 = 93,006.02/x - Step 3: Cross multiply
160,986.14x = 222,171.21 × 93,006.02 - Step 4: Simplify right side
160,986.14x = 20,663,260,000.68 - Step 5: Solve for x
x = 20,663,260,000.68/160,986.14 - Step 6: Final answer
x = 128,354.28
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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.