Finding the Fourth Proportional to 162,966.05, 224,903.54 and 91,346.09
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Solution
The fourth proportional to 162,966.05, 224,903.54 and 91,346.09 is: 126,063.42
Step by Step Solution
- Step 1: Write the proportion equation
162,966.05 : 224,903.54 = 91,346.09 : x - Step 2: Convert to fraction form
162,966.05/224,903.54 = 91,346.09/x - Step 3: Cross multiply
162,966.05x = 224,903.54 × 91,346.09 - Step 4: Simplify right side
162,966.05x = 20,544,057,881.64 - Step 5: Solve for x
x = 20,544,057,881.64/162,966.05 - Step 6: Final answer
x = 126,063.42
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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.