Finding the Fourth Proportional to 114,214.14, 157,686.66 and 73,394.73
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Solution
The fourth proportional to 114,214.14, 157,686.66 and 73,394.73 is: 101,330.45
Step by Step Solution
- Step 1: Write the proportion equation
114,214.14 : 157,686.66 = 73,394.73 : x - Step 2: Convert to fraction form
114,214.14/157,686.66 = 73,394.73/x - Step 3: Cross multiply
114,214.14x = 157,686.66 × 73,394.73 - Step 4: Simplify right side
114,214.14x = 11,573,369,835.30 - Step 5: Solve for x
x = 11,573,369,835.30/114,214.14 - Step 6: Final answer
x = 101,330.45
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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.