Finding the Fourth Proportional to 173,789.21, 239,809.28 and 97,297.67
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Solution
The fourth proportional to 173,789.21, 239,809.28 and 97,297.67 is: 134,259.68
Step by Step Solution
- Step 1: Write the proportion equation
173,789.21 : 239,809.28 = 97,297.67 : x - Step 2: Convert to fraction form
173,789.21/239,809.28 = 97,297.67/x - Step 3: Cross multiply
173,789.21x = 239,809.28 × 97,297.67 - Step 4: Simplify right side
173,789.21x = 23,332,882,502.84 - Step 5: Solve for x
x = 23,332,882,502.84/173,789.21 - Step 6: Final answer
x = 134,259.68
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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.