Home / 219,977.76-303,569.30-119,375.76

Finding the Fourth Proportional to 219,977.76, 303,569.30 and 119,375.76

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Solution

The fourth proportional to 219,977.76, 303,569.30 and 119,375.76 is: 164,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,977.76 : 303,569.30 = 119,375.76 : x
  2. Step 2: Convert to fraction form
    219,977.76/303,569.30 = 119,375.76/x
  3. Step 3: Cross multiply
    219,977.76x = 303,569.30 × 119,375.76
  4. Step 4: Simplify right side
    219,977.76x = 36,238,815,900.17
  5. Step 5: Solve for x
    x = 36,238,815,900.17/219,977.76
  6. Step 6: Final answer
    x = 164,738.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.