Finding the Fourth Proportional to 202,929.74, 280,087.18 and 118,057.94
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Solution
The fourth proportional to 202,929.74, 280,087.18 and 118,057.94 is: 162,945.64
Step by Step Solution
- Step 1: Write the proportion equation
202,929.74 : 280,087.18 = 118,057.94 : x - Step 2: Convert to fraction form
202,929.74/280,087.18 = 118,057.94/x - Step 3: Cross multiply
202,929.74x = 280,087.18 × 118,057.94 - Step 4: Simplify right side
202,929.74x = 33,066,515,491.21 - Step 5: Solve for x
x = 33,066,515,491.21/202,929.74 - Step 6: Final answer
x = 162,945.64
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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.