Home / 121,236.92-181,855.36-46,364.60

Finding the Fourth Proportional to 121,236.92, 181,855.36 and 46,364.60

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Solution

The fourth proportional to 121,236.92, 181,855.36 and 46,364.60 is: 69,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,236.92 : 181,855.36 = 46,364.60 : x
  2. Step 2: Convert to fraction form
    121,236.92/181,855.36 = 46,364.60/x
  3. Step 3: Cross multiply
    121,236.92x = 181,855.36 × 46,364.60
  4. Step 4: Simplify right side
    121,236.92x = 8,431,651,536.85
  5. Step 5: Solve for x
    x = 8,431,651,536.85/121,236.92
  6. Step 6: Final answer
    x = 69,546.90

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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.