Finding the Fourth Proportional to 169,012.16, 233,239.92 and 97,380.08
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Solution
The fourth proportional to 169,012.16, 233,239.92 and 97,380.08 is: 134,386.32
Step by Step Solution
- Step 1: Write the proportion equation
169,012.16 : 233,239.92 = 97,380.08 : x - Step 2: Convert to fraction form
169,012.16/233,239.92 = 97,380.08/x - Step 3: Cross multiply
169,012.16x = 233,239.92 × 97,380.08 - Step 4: Simplify right side
169,012.16x = 22,712,922,068.79 - Step 5: Solve for x
x = 22,712,922,068.79/169,012.16 - Step 6: Final answer
x = 134,386.32
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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.