Finding the Fourth Proportional to 162,847.13, 224,726.41 and 91,226.93
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Solution
The fourth proportional to 162,847.13, 224,726.41 and 91,226.93 is: 125,891.69
Step by Step Solution
- Step 1: Write the proportion equation
162,847.13 : 224,726.41 = 91,226.93 : x - Step 2: Convert to fraction form
162,847.13/224,726.41 = 91,226.93/x - Step 3: Cross multiply
162,847.13x = 224,726.41 × 91,226.93 - Step 4: Simplify right side
162,847.13x = 20,501,100,474.22 - Step 5: Solve for x
x = 20,501,100,474.22/162,847.13 - Step 6: Final answer
x = 125,891.69
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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.