Finding the Fourth Proportional to 168,242.32, 232,199.58 and 107,881.12
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Solution
The fourth proportional to 168,242.32, 232,199.58 and 107,881.12 is: 148,892.09
Step by Step Solution
- Step 1: Write the proportion equation
168,242.32 : 232,199.58 = 107,881.12 : x - Step 2: Convert to fraction form
168,242.32/232,199.58 = 107,881.12/x - Step 3: Cross multiply
168,242.32x = 232,199.58 × 107,881.12 - Step 4: Simplify right side
168,242.32x = 25,049,950,753.93 - Step 5: Solve for x
x = 25,049,950,753.93/168,242.32 - Step 6: Final answer
x = 148,892.09
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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.