Finding the Fourth Proportional to 186,417.09, 257,258.40 and 101,534.07
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Solution
The fourth proportional to 186,417.09, 257,258.40 and 101,534.07 is: 140,118.55
Step by Step Solution
- Step 1: Write the proportion equation
186,417.09 : 257,258.40 = 101,534.07 : x - Step 2: Convert to fraction form
186,417.09/257,258.40 = 101,534.07/x - Step 3: Cross multiply
186,417.09x = 257,258.40 × 101,534.07 - Step 4: Simplify right side
186,417.09x = 26,120,492,393.69 - Step 5: Solve for x
x = 26,120,492,393.69/186,417.09 - Step 6: Final answer
x = 140,118.55
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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.