Finding the Fourth Proportional to 246,349.88, 339,962.70 and 133,172.84
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Solution
The fourth proportional to 246,349.88, 339,962.70 and 133,172.84 is: 183,778.45
Step by Step Solution
- Step 1: Write the proportion equation
246,349.88 : 339,962.70 = 133,172.84 : x - Step 2: Convert to fraction form
246,349.88/339,962.70 = 133,172.84/x - Step 3: Cross multiply
246,349.88x = 339,962.70 × 133,172.84 - Step 4: Simplify right side
246,349.88x = 45,273,798,253.07 - Step 5: Solve for x
x = 45,273,798,253.07/246,349.88 - Step 6: Final answer
x = 183,778.45
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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.