Finding the Fourth Proportional to 186,531.84, 257,511.36 and 145,046.88
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Solution
The fourth proportional to 186,531.84, 257,511.36 and 145,046.88 is: 200,240.45
Step by Step Solution
- Step 1: Write the proportion equation
186,531.84 : 257,511.36 = 145,046.88 : x - Step 2: Convert to fraction form
186,531.84/257,511.36 = 145,046.88/x - Step 3: Cross multiply
186,531.84x = 257,511.36 × 145,046.88 - Step 4: Simplify right side
186,531.84x = 37,351,219,332.56 - Step 5: Solve for x
x = 37,351,219,332.56/186,531.84 - Step 6: Final answer
x = 200,240.45
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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.