Finding the Fourth Proportional to 197,460.24, 272,384.36 and 121,016.36
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Solution
The fourth proportional to 197,460.24, 272,384.36 and 121,016.36 is: 166,934.69
Step by Step Solution
- Step 1: Write the proportion equation
197,460.24 : 272,384.36 = 121,016.36 : x - Step 2: Convert to fraction form
197,460.24/272,384.36 = 121,016.36/x - Step 3: Cross multiply
197,460.24x = 272,384.36 × 121,016.36 - Step 4: Simplify right side
197,460.24x = 32,962,963,768.13 - Step 5: Solve for x
x = 32,962,963,768.13/197,460.24 - Step 6: Final answer
x = 166,934.69
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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.