Home / 219,276.40-329,789.40-196,531.60

Finding the Fourth Proportional to 219,276.40, 329,789.40 and 196,531.60

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Solution

The fourth proportional to 219,276.40, 329,789.40 and 196,531.60 is: 295,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,276.40 : 329,789.40 = 196,531.60 : x
  2. Step 2: Convert to fraction form
    219,276.40/329,789.40 = 196,531.60/x
  3. Step 3: Cross multiply
    219,276.40x = 329,789.40 × 196,531.60
  4. Step 4: Simplify right side
    219,276.40x = 64,814,038,445.04
  5. Step 5: Solve for x
    x = 64,814,038,445.04/219,276.40
  6. Step 6: Final answer
    x = 295,581.46

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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.