Finding the Fourth Proportional to 177,216.45, 244,559.12 and 100,736.06
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Solution
The fourth proportional to 177,216.45, 244,559.12 and 100,736.06 is: 139,015.99
Step by Step Solution
- Step 1: Write the proportion equation
177,216.45 : 244,559.12 = 100,736.06 : x - Step 2: Convert to fraction form
177,216.45/244,559.12 = 100,736.06/x - Step 3: Cross multiply
177,216.45x = 244,559.12 × 100,736.06 - Step 4: Simplify right side
177,216.45x = 24,635,920,459.39 - Step 5: Solve for x
x = 24,635,920,459.39/177,216.45 - Step 6: Final answer
x = 139,015.99
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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.