Home / 219,623.80-329,435.70-196,004.20

Finding the Fourth Proportional to 219,623.80, 329,435.70 and 196,004.20

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Solution

The fourth proportional to 219,623.80, 329,435.70 and 196,004.20 is: 294,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.80 : 329,435.70 = 196,004.20 : x
  2. Step 2: Convert to fraction form
    219,623.80/329,435.70 = 196,004.20/x
  3. Step 3: Cross multiply
    219,623.80x = 329,435.70 × 196,004.20
  4. Step 4: Simplify right side
    219,623.80x = 64,570,780,829.94
  5. Step 5: Solve for x
    x = 64,570,780,829.94/219,623.80
  6. Step 6: Final answer
    x = 294,006.30

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1.5x scale

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.