Finding the Fourth Proportional to 149,718.03, 223,431.23 and 133,743.68
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Solution
The fourth proportional to 149,718.03, 223,431.23 and 133,743.68 is: 199,591.95
Step by Step Solution
- Step 1: Write the proportion equation
149,718.03 : 223,431.23 = 133,743.68 : x - Step 2: Convert to fraction form
149,718.03/223,431.23 = 133,743.68/x - Step 3: Cross multiply
149,718.03x = 223,431.23 × 133,743.68 - Step 4: Simplify right side
149,718.03x = 29,882,513,141.25 - Step 5: Solve for x
x = 29,882,513,141.25/149,718.03 - Step 6: Final answer
x = 199,591.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.