Home / 219,032.20-328,548.30-196,913.80

Finding the Fourth Proportional to 219,032.20, 328,548.30 and 196,913.80

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Solution

The fourth proportional to 219,032.20, 328,548.30 and 196,913.80 is: 295,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,032.20 : 328,548.30 = 196,913.80 : x
  2. Step 2: Convert to fraction form
    219,032.20/328,548.30 = 196,913.80/x
  3. Step 3: Cross multiply
    219,032.20x = 328,548.30 × 196,913.80
  4. Step 4: Simplify right side
    219,032.20x = 64,695,694,236.54
  5. Step 5: Solve for x
    x = 64,695,694,236.54/219,032.20
  6. Step 6: Final answer
    x = 295,370.70

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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.