Home / 303,186.57-454,828.05-100,789.85

Finding the Fourth Proportional to 303,186.57, 454,828.05 and 100,789.85

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Solution

The fourth proportional to 303,186.57, 454,828.05 and 100,789.85 is: 151,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,186.57 : 454,828.05 = 100,789.85 : x
  2. Step 2: Convert to fraction form
    303,186.57/454,828.05 = 100,789.85/x
  3. Step 3: Cross multiply
    303,186.57x = 454,828.05 × 100,789.85
  4. Step 4: Simplify right side
    303,186.57x = 45,842,048,661.15
  5. Step 5: Solve for x
    x = 45,842,048,661.15/303,186.57
  6. Step 6: Final answer
    x = 151,200.79

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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.