Finding the Fourth Proportional to 133,340.17, 184,055.77 and 76,774.09
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Solution
The fourth proportional to 133,340.17, 184,055.77 and 76,774.09 is: 105,974.92
Step by Step Solution
- Step 1: Write the proportion equation
133,340.17 : 184,055.77 = 76,774.09 : x - Step 2: Convert to fraction form
133,340.17/184,055.77 = 76,774.09/x - Step 3: Cross multiply
133,340.17x = 184,055.77 × 76,774.09 - Step 4: Simplify right side
133,340.17x = 14,130,714,251.00 - Step 5: Solve for x
x = 14,130,714,251.00/133,340.17 - Step 6: Final answer
x = 105,974.92
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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.