Finding the Fourth Proportional to 197,867.84, 273,046.02 and 117,303.08
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Solution
The fourth proportional to 197,867.84, 273,046.02 and 117,303.08 is: 161,871.37
Step by Step Solution
- Step 1: Write the proportion equation
197,867.84 : 273,046.02 = 117,303.08 : x - Step 2: Convert to fraction form
197,867.84/273,046.02 = 117,303.08/x - Step 3: Cross multiply
197,867.84x = 273,046.02 × 117,303.08 - Step 4: Simplify right side
197,867.84x = 32,029,139,127.74 - Step 5: Solve for x
x = 32,029,139,127.74/197,867.84 - Step 6: Final answer
x = 161,871.37
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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.