Finding the Fourth Proportional to 131,614.09, 197,442.95 and 46,202.79
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Solution
The fourth proportional to 131,614.09, 197,442.95 and 46,202.79 is: 69,311.84
Step by Step Solution
- Step 1: Write the proportion equation
131,614.09 : 197,442.95 = 46,202.79 : x - Step 2: Convert to fraction form
131,614.09/197,442.95 = 46,202.79/x - Step 3: Cross multiply
131,614.09x = 197,442.95 × 46,202.79 - Step 4: Simplify right side
131,614.09x = 9,122,415,155.83 - Step 5: Solve for x
x = 9,122,415,155.83/131,614.09 - Step 6: Final answer
x = 69,311.84
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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.