Finding the Fourth Proportional to 177,297.84, 244,669.86 and 100,816.94
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Solution
The fourth proportional to 177,297.84, 244,669.86 and 100,816.94 is: 139,126.72
Step by Step Solution
- Step 1: Write the proportion equation
177,297.84 : 244,669.86 = 100,816.94 : x - Step 2: Convert to fraction form
177,297.84/244,669.86 = 100,816.94/x - Step 3: Cross multiply
177,297.84x = 244,669.86 × 100,816.94 - Step 4: Simplify right side
177,297.84x = 24,666,867,004.81 - Step 5: Solve for x
x = 24,666,867,004.81/177,297.84 - Step 6: Final answer
x = 139,126.72
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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.