Home / 219,022.20-328,533.30-196,903.80

Finding the Fourth Proportional to 219,022.20, 328,533.30 and 196,903.80

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Solution

The fourth proportional to 219,022.20, 328,533.30 and 196,903.80 is: 295,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,022.20 : 328,533.30 = 196,903.80 : x
  2. Step 2: Convert to fraction form
    219,022.20/328,533.30 = 196,903.80/x
  3. Step 3: Cross multiply
    219,022.20x = 328,533.30 × 196,903.80
  4. Step 4: Simplify right side
    219,022.20x = 64,689,455,196.54
  5. Step 5: Solve for x
    x = 64,689,455,196.54/219,022.20
  6. Step 6: Final answer
    x = 295,355.70

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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.