Finding the Fourth Proportional to 266,866.26, 368,206.29 and 159,388.98
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Solution
The fourth proportional to 266,866.26, 368,206.29 and 159,388.98 is: 219,915.49
Step by Step Solution
- Step 1: Write the proportion equation
266,866.26 : 368,206.29 = 159,388.98 : x - Step 2: Convert to fraction form
266,866.26/368,206.29 = 159,388.98/x - Step 3: Cross multiply
266,866.26x = 368,206.29 × 159,388.98 - Step 4: Simplify right side
266,866.26x = 58,688,024,992.68 - Step 5: Solve for x
x = 58,688,024,992.68/266,866.26 - Step 6: Final answer
x = 219,915.49
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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.