Finding the Fourth Proportional to 224,678.40, 336,923.52 and 91,468.08
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Solution
The fourth proportional to 224,678.40, 336,923.52 and 91,468.08 is: 137,163.82
Step by Step Solution
- Step 1: Write the proportion equation
224,678.40 : 336,923.52 = 91,468.08 : x - Step 2: Convert to fraction form
224,678.40/336,923.52 = 91,468.08/x - Step 3: Cross multiply
224,678.40x = 336,923.52 × 91,468.08 - Step 4: Simplify right side
224,678.40x = 30,817,747,481.24 - Step 5: Solve for x
x = 30,817,747,481.24/224,678.40 - Step 6: Final answer
x = 137,163.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.