Home / 203,949.09-305,578.17-124,898.15

Finding the Fourth Proportional to 203,949.09, 305,578.17 and 124,898.15

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Solution

The fourth proportional to 203,949.09, 305,578.17 and 124,898.15 is: 187,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,949.09 : 305,578.17 = 124,898.15 : x
  2. Step 2: Convert to fraction form
    203,949.09/305,578.17 = 124,898.15/x
  3. Step 3: Cross multiply
    203,949.09x = 305,578.17 × 124,898.15
  4. Step 4: Simplify right side
    203,949.09x = 38,166,148,877.33
  5. Step 5: Solve for x
    x = 38,166,148,877.33/203,949.09
  6. Step 6: Final answer
    x = 187,135.67

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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.