Finding the Fourth Proportional to 162,844.76, 224,739.60 and 91,223.84
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Solution
The fourth proportional to 162,844.76, 224,739.60 and 91,223.84 is: 125,896.65
Step by Step Solution
- Step 1: Write the proportion equation
162,844.76 : 224,739.60 = 91,223.84 : x - Step 2: Convert to fraction form
162,844.76/224,739.60 = 91,223.84/x - Step 3: Cross multiply
162,844.76x = 224,739.60 × 91,223.84 - Step 4: Simplify right side
162,844.76x = 20,501,609,312.06 - Step 5: Solve for x
x = 20,501,609,312.06/162,844.76 - Step 6: Final answer
x = 125,896.65
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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.