Finding the Fourth Proportional to 269,733.33, 372,244.14 and 155,049.21
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Solution
The fourth proportional to 269,733.33, 372,244.14 and 155,049.21 is: 213,974.89
Step by Step Solution
- Step 1: Write the proportion equation
269,733.33 : 372,244.14 = 155,049.21 : x - Step 2: Convert to fraction form
269,733.33/372,244.14 = 155,049.21/x - Step 3: Cross multiply
269,733.33x = 372,244.14 × 155,049.21 - Step 4: Simplify right side
269,733.33x = 57,716,159,834.13 - Step 5: Solve for x
x = 57,716,159,834.13/269,733.33 - Step 6: Final answer
x = 213,974.89
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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.