Finding the Fourth Proportional to 168,417.14, 232,415.86 and 92,965.64
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Solution
The fourth proportional to 168,417.14, 232,415.86 and 92,965.64 is: 128,292.70
Step by Step Solution
- Step 1: Write the proportion equation
168,417.14 : 232,415.86 = 92,965.64 : x - Step 2: Convert to fraction form
168,417.14/232,415.86 = 92,965.64/x - Step 3: Cross multiply
168,417.14x = 232,415.86 × 92,965.64 - Step 4: Simplify right side
168,417.14x = 21,606,689,171.05 - Step 5: Solve for x
x = 21,606,689,171.05/168,417.14 - Step 6: Final answer
x = 128,292.70
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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.