Finding the Fourth Proportional to 228,975.42, 343,674.54 and 165,000
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Solution
The fourth proportional to 228,975.42, 343,674.54 and 165,000 is: 247,652.34
Step by Step Solution
- Step 1: Write the proportion equation
228,975.42 : 343,674.54 = 165,000 : x - Step 2: Convert to fraction form
228,975.42/343,674.54 = 165,000/x - Step 3: Cross multiply
228,975.42x = 343,674.54 × 165,000 - Step 4: Simplify right side
228,975.42x = 56,706,299,100 - Step 5: Solve for x
x = 56,706,299,100/228,975.42 - Step 6: Final answer
x = 247,652.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.