Home / 203,379.76-305,050.20-124,453.36

Finding the Fourth Proportional to 203,379.76, 305,050.20 and 124,453.36

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Solution

The fourth proportional to 203,379.76, 305,050.20 and 124,453.36 is: 186,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,379.76 : 305,050.20 = 124,453.36 : x
  2. Step 2: Convert to fraction form
    203,379.76/305,050.20 = 124,453.36/x
  3. Step 3: Cross multiply
    203,379.76x = 305,050.20 × 124,453.36
  4. Step 4: Simplify right side
    203,379.76x = 37,964,522,358.67
  5. Step 5: Solve for x
    x = 37,964,522,358.67/203,379.76
  6. Step 6: Final answer
    x = 186,668.14

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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.