Finding the Fourth Proportional to 192,165.74, 265,183.70 and 106,130.98
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Solution
The fourth proportional to 192,165.74, 265,183.70 and 106,130.98 is: 146,457.98
Step by Step Solution
- Step 1: Write the proportion equation
192,165.74 : 265,183.70 = 106,130.98 : x - Step 2: Convert to fraction form
192,165.74/265,183.70 = 106,130.98/x - Step 3: Cross multiply
192,165.74x = 265,183.70 × 106,130.98 - Step 4: Simplify right side
192,165.74x = 28,144,205,961.03 - Step 5: Solve for x
x = 28,144,205,961.03/192,165.74 - Step 6: Final answer
x = 146,457.98
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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.