Home / 121,196.25-181,814.07-35,815.77

Finding the Fourth Proportional to 121,196.25, 181,814.07 and 35,815.77

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Solution

The fourth proportional to 121,196.25, 181,814.07 and 35,815.77 is: 53,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,196.25 : 181,814.07 = 35,815.77 : x
  2. Step 2: Convert to fraction form
    121,196.25/181,814.07 = 35,815.77/x
  3. Step 3: Cross multiply
    121,196.25x = 181,814.07 × 35,815.77
  4. Step 4: Simplify right side
    121,196.25x = 6,511,810,846.73
  5. Step 5: Solve for x
    x = 6,511,810,846.73/121,196.25
  6. Step 6: Final answer
    x = 53,729.47

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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.