Finding the Fourth Proportional to 162,913.04, 224,826.36 and 91,293.68
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Solution
The fourth proportional to 162,913.04, 224,826.36 and 91,293.68 is: 125,988.85
Step by Step Solution
- Step 1: Write the proportion equation
162,913.04 : 224,826.36 = 91,293.68 : x - Step 2: Convert to fraction form
162,913.04/224,826.36 = 91,293.68/x - Step 3: Cross multiply
162,913.04x = 224,826.36 × 91,293.68 - Step 4: Simplify right side
162,913.04x = 20,525,225,765.40 - Step 5: Solve for x
x = 20,525,225,765.40/162,913.04 - Step 6: Final answer
x = 125,988.85
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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.