Home / 219,625.20-329,243.40-196,005.60

Finding the Fourth Proportional to 219,625.20, 329,243.40 and 196,005.60

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Solution

The fourth proportional to 219,625.20, 329,243.40 and 196,005.60 is: 293,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,625.20 : 329,243.40 = 196,005.60 : x
  2. Step 2: Convert to fraction form
    219,625.20/329,243.40 = 196,005.60/x
  3. Step 3: Cross multiply
    219,625.20x = 329,243.40 × 196,005.60
  4. Step 4: Simplify right side
    219,625.20x = 64,533,550,163.04
  5. Step 5: Solve for x
    x = 64,533,550,163.04/219,625.20
  6. Step 6: Final answer
    x = 293,834.91

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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.