Finding the Fourth Proportional to 202,246.24, 279,099.60 and 111,602.18
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Solution
The fourth proportional to 202,246.24, 279,099.60 and 111,602.18 is: 154,010.89
Step by Step Solution
- Step 1: Write the proportion equation
202,246.24 : 279,099.60 = 111,602.18 : x - Step 2: Convert to fraction form
202,246.24/279,099.60 = 111,602.18/x - Step 3: Cross multiply
202,246.24x = 279,099.60 × 111,602.18 - Step 4: Simplify right side
202,246.24x = 31,148,123,797.13 - Step 5: Solve for x
x = 31,148,123,797.13/202,246.24 - Step 6: Final answer
x = 154,010.89
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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.