Finding the Fourth Proportional to 162,657.26, 224,415.87 and 91,025.90
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Solution
The fourth proportional to 162,657.26, 224,415.87 and 91,025.90 is: 125,587.12
Step by Step Solution
- Step 1: Write the proportion equation
162,657.26 : 224,415.87 = 91,025.90 : x - Step 2: Convert to fraction form
162,657.26/224,415.87 = 91,025.90/x - Step 3: Cross multiply
162,657.26x = 224,415.87 × 91,025.90 - Step 4: Simplify right side
162,657.26x = 20,427,656,541.03 - Step 5: Solve for x
x = 20,427,656,541.03/162,657.26 - Step 6: Final answer
x = 125,587.12
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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.