Finding the Fourth Proportional to 184,032.16, 253,859.76 and 115,931.68
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Solution
The fourth proportional to 184,032.16, 253,859.76 and 115,931.68 is: 159,919.81
Step by Step Solution
- Step 1: Write the proportion equation
184,032.16 : 253,859.76 = 115,931.68 : x - Step 2: Convert to fraction form
184,032.16/253,859.76 = 115,931.68/x - Step 3: Cross multiply
184,032.16x = 253,859.76 × 115,931.68 - Step 4: Simplify right side
184,032.16x = 29,430,388,461.20 - Step 5: Solve for x
x = 29,430,388,461.20/184,032.16 - Step 6: Final answer
x = 159,919.81
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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.