Finding the Fourth Proportional to 264,337.68, 364,786.34 and 143,478.98
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Solution
The fourth proportional to 264,337.68, 364,786.34 and 143,478.98 is: 198,001.18
Step by Step Solution
- Step 1: Write the proportion equation
264,337.68 : 364,786.34 = 143,478.98 : x - Step 2: Convert to fraction form
264,337.68/364,786.34 = 143,478.98/x - Step 3: Cross multiply
264,337.68x = 364,786.34 × 143,478.98 - Step 4: Simplify right side
264,337.68x = 52,339,171,981.13 - Step 5: Solve for x
x = 52,339,171,981.13/264,337.68 - Step 6: Final answer
x = 198,001.18
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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.