Home / 203,726.75-305,890.02-113,945.33

Finding the Fourth Proportional to 203,726.75, 305,890.02 and 113,945.33

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Solution

The fourth proportional to 203,726.75, 305,890.02 and 113,945.33 is: 171,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,726.75 : 305,890.02 = 113,945.33 : x
  2. Step 2: Convert to fraction form
    203,726.75/305,890.02 = 113,945.33/x
  3. Step 3: Cross multiply
    203,726.75x = 305,890.02 × 113,945.33
  4. Step 4: Simplify right side
    203,726.75x = 34,854,740,037.33
  5. Step 5: Solve for x
    x = 34,854,740,037.33/203,726.75
  6. Step 6: Final answer
    x = 171,085.74

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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.