Finding the Fourth Proportional to 176,168.44, 243,155.64 and 108,201.70
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Solution
The fourth proportional to 176,168.44, 243,155.64 and 108,201.70 is: 149,344.87
Step by Step Solution
- Step 1: Write the proportion equation
176,168.44 : 243,155.64 = 108,201.70 : x - Step 2: Convert to fraction form
176,168.44/243,155.64 = 108,201.70/x - Step 3: Cross multiply
176,168.44x = 243,155.64 × 108,201.70 - Step 4: Simplify right side
176,168.44x = 26,309,853,612.59 - Step 5: Solve for x
x = 26,309,853,612.59/176,168.44 - Step 6: Final answer
x = 149,344.87
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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.