Finding the Fourth Proportional to 270,822.13, 373,729.97 and 149,960.81
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Solution
The fourth proportional to 270,822.13, 373,729.97 and 149,960.81 is: 206,943.39
Step by Step Solution
- Step 1: Write the proportion equation
270,822.13 : 373,729.97 = 149,960.81 : x - Step 2: Convert to fraction form
270,822.13/373,729.97 = 149,960.81/x - Step 3: Cross multiply
270,822.13x = 373,729.97 × 149,960.81 - Step 4: Simplify right side
270,822.13x = 56,044,850,331.70 - Step 5: Solve for x
x = 56,044,850,331.70/270,822.13 - Step 6: Final answer
x = 206,943.39
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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.