Finding the Fourth Proportional to 162,679.16, 224,431.08 and 102,230.48
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Solution
The fourth proportional to 162,679.16, 224,431.08 and 102,230.48 is: 141,036.49
Step by Step Solution
- Step 1: Write the proportion equation
162,679.16 : 224,431.08 = 102,230.48 : x - Step 2: Convert to fraction form
162,679.16/224,431.08 = 102,230.48/x - Step 3: Cross multiply
162,679.16x = 224,431.08 × 102,230.48 - Step 4: Simplify right side
162,679.16x = 22,943,697,035.32 - Step 5: Solve for x
x = 22,943,697,035.32/162,679.16 - Step 6: Final answer
x = 141,036.49
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1.5x scale
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.