Home / 120,849.08-181,087.32-64,696.64

Finding the Fourth Proportional to 120,849.08, 181,087.32 and 64,696.64

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Solution

The fourth proportional to 120,849.08, 181,087.32 and 64,696.64 is: 96,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.08 : 181,087.32 = 64,696.64 : x
  2. Step 2: Convert to fraction form
    120,849.08/181,087.32 = 64,696.64/x
  3. Step 3: Cross multiply
    120,849.08x = 181,087.32 × 64,696.64
  4. Step 4: Simplify right side
    120,849.08x = 11,715,741,150.60
  5. Step 5: Solve for x
    x = 11,715,741,150.60/120,849.08
  6. Step 6: Final answer
    x = 96,945.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.