Finding the Fourth Proportional to 239,955.10, 331,131.70 and 132,522.82
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Solution
The fourth proportional to 239,955.10, 331,131.70 and 132,522.82 is: 182,877.99
Step by Step Solution
- Step 1: Write the proportion equation
239,955.10 : 331,131.70 = 132,522.82 : x - Step 2: Convert to fraction form
239,955.10/331,131.70 = 132,522.82/x - Step 3: Cross multiply
239,955.10x = 331,131.70 × 132,522.82 - Step 4: Simplify right side
239,955.10x = 43,882,506,675.39 - Step 5: Solve for x
x = 43,882,506,675.39/239,955.10 - Step 6: Final answer
x = 182,877.99
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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.