Home / 219,024.70-328,537.05-196,906.30

Finding the Fourth Proportional to 219,024.70, 328,537.05 and 196,906.30

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Solution

The fourth proportional to 219,024.70, 328,537.05 and 196,906.30 is: 295,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,024.70 : 328,537.05 = 196,906.30 : x
  2. Step 2: Convert to fraction form
    219,024.70/328,537.05 = 196,906.30/x
  3. Step 3: Cross multiply
    219,024.70x = 328,537.05 × 196,906.30
  4. Step 4: Simplify right side
    219,024.70x = 64,691,014,928.42
  5. Step 5: Solve for x
    x = 64,691,014,928.42/219,024.70
  6. Step 6: Final answer
    x = 295,359.45

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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.