Finding the Fourth Proportional to 168,215.06, 232,135.99 and 92,763.56
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Solution
The fourth proportional to 168,215.06, 232,135.99 and 92,763.56 is: 128,013.28
Step by Step Solution
- Step 1: Write the proportion equation
168,215.06 : 232,135.99 = 92,763.56 : x - Step 2: Convert to fraction form
168,215.06/232,135.99 = 92,763.56/x - Step 3: Cross multiply
168,215.06x = 232,135.99 × 92,763.56 - Step 4: Simplify right side
168,215.06x = 21,533,761,184.96 - Step 5: Solve for x
x = 21,533,761,184.96/168,215.06 - Step 6: Final answer
x = 128,013.28
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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.