Finding the Fourth Proportional to 176,620.13, 243,742.19 and 101,183.21
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Solution
The fourth proportional to 176,620.13, 243,742.19 and 101,183.21 is: 139,636.50
Step by Step Solution
- Step 1: Write the proportion equation
176,620.13 : 243,742.19 = 101,183.21 : x - Step 2: Convert to fraction form
176,620.13/243,742.19 = 101,183.21/x - Step 3: Cross multiply
176,620.13x = 243,742.19 × 101,183.21 - Step 4: Simplify right side
176,620.13x = 24,662,615,472.00 - Step 5: Solve for x
x = 24,662,615,472.00/176,620.13 - Step 6: Final answer
x = 139,636.50
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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.