Finding the Fourth Proportional to 168,225.42, 232,134.94 and 92,769.06
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Solution
The fourth proportional to 168,225.42, 232,134.94 and 92,769.06 is: 128,012.40
Step by Step Solution
- Step 1: Write the proportion equation
168,225.42 : 232,134.94 = 92,769.06 : x - Step 2: Convert to fraction form
168,225.42/232,134.94 = 92,769.06/x - Step 3: Cross multiply
168,225.42x = 232,134.94 × 92,769.06 - Step 4: Simplify right side
168,225.42x = 21,534,938,552.44 - Step 5: Solve for x
x = 21,534,938,552.44/168,225.42 - Step 6: Final answer
x = 128,012.40
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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.