Finding the Fourth Proportional to 158,246.61, 237,533.94 and 106,021.05
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Solution
The fourth proportional to 158,246.61, 237,533.94 and 106,021.05 is: 159,141.47
Step by Step Solution
- Step 1: Write the proportion equation
158,246.61 : 237,533.94 = 106,021.05 : x - Step 2: Convert to fraction form
158,246.61/237,533.94 = 106,021.05/x - Step 3: Cross multiply
158,246.61x = 237,533.94 × 106,021.05 - Step 4: Simplify right side
158,246.61x = 25,183,597,729.44 - Step 5: Solve for x
x = 25,183,597,729.44/158,246.61 - Step 6: Final answer
x = 159,141.47
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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.