Finding the Fourth Proportional to 168,320.76, 232,282.51 and 92,869.26
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Solution
The fourth proportional to 168,320.76, 232,282.51 and 92,869.26 is: 128,159.50
Step by Step Solution
- Step 1: Write the proportion equation
168,320.76 : 232,282.51 = 92,869.26 : x - Step 2: Convert to fraction form
168,320.76/232,282.51 = 92,869.26/x - Step 3: Cross multiply
168,320.76x = 232,282.51 × 92,869.26 - Step 4: Simplify right side
168,320.76x = 21,571,904,814.64 - Step 5: Solve for x
x = 21,571,904,814.64/168,320.76 - Step 6: Final answer
x = 128,159.50
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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.