Home / 303,185.07-454,825.80-100,788.35

Finding the Fourth Proportional to 303,185.07, 454,825.80 and 100,788.35

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Solution

The fourth proportional to 303,185.07, 454,825.80 and 100,788.35 is: 151,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,185.07 : 454,825.80 = 100,788.35 : x
  2. Step 2: Convert to fraction form
    303,185.07/454,825.80 = 100,788.35/x
  3. Step 3: Cross multiply
    303,185.07x = 454,825.80 × 100,788.35
  4. Step 4: Simplify right side
    303,185.07x = 45,841,139,645.30
  5. Step 5: Solve for x
    x = 45,841,139,645.30/303,185.07
  6. Step 6: Final answer
    x = 151,198.54

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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.