Home / 219,627.20-329,246.40-196,007.60

Finding the Fourth Proportional to 219,627.20, 329,246.40 and 196,007.60

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Solution

The fourth proportional to 219,627.20, 329,246.40 and 196,007.60 is: 293,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,627.20 : 329,246.40 = 196,007.60 : x
  2. Step 2: Convert to fraction form
    219,627.20/329,246.40 = 196,007.60/x
  3. Step 3: Cross multiply
    219,627.20x = 329,246.40 × 196,007.60
  4. Step 4: Simplify right side
    219,627.20x = 64,534,796,672.64
  5. Step 5: Solve for x
    x = 64,534,796,672.64/219,627.20
  6. Step 6: Final answer
    x = 293,837.91

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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.