Finding the Fourth Proportional to 266,106.75, 367,242.30 and 152,936.79
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Solution
The fourth proportional to 266,106.75, 367,242.30 and 152,936.79 is: 211,061.38
Step by Step Solution
- Step 1: Write the proportion equation
266,106.75 : 367,242.30 = 152,936.79 : x - Step 2: Convert to fraction form
266,106.75/367,242.30 = 152,936.79/x - Step 3: Cross multiply
266,106.75x = 367,242.30 × 152,936.79 - Step 4: Simplify right side
266,106.75x = 56,164,858,514.22 - Step 5: Solve for x
x = 56,164,858,514.22/266,106.75 - Step 6: Final answer
x = 211,061.38
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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.