Finding the Fourth Proportional to 266,909.94, 368,324.74 and 159,539.18
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Solution
The fourth proportional to 266,909.94, 368,324.74 and 159,539.18 is: 220,157.51
Step by Step Solution
- Step 1: Write the proportion equation
266,909.94 : 368,324.74 = 159,539.18 : x - Step 2: Convert to fraction form
266,909.94/368,324.74 = 159,539.18/x - Step 3: Cross multiply
266,909.94x = 368,324.74 × 159,539.18 - Step 4: Simplify right side
266,909.94x = 58,762,226,993.31 - Step 5: Solve for x
x = 58,762,226,993.31/266,909.94 - Step 6: Final answer
x = 220,157.51
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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.