Home / 219,273.20-328,812.60-100,883.60

Finding the Fourth Proportional to 219,273.20, 328,812.60 and 100,883.60

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Solution

The fourth proportional to 219,273.20, 328,812.60 and 100,883.60 is: 151,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,273.20 : 328,812.60 = 100,883.60 : x
  2. Step 2: Convert to fraction form
    219,273.20/328,812.60 = 100,883.60/x
  3. Step 3: Cross multiply
    219,273.20x = 328,812.60 × 100,883.60
  4. Step 4: Simplify right side
    219,273.20x = 33,171,798,813.36
  5. Step 5: Solve for x
    x = 33,171,798,813.36/219,273.20
  6. Step 6: Final answer
    x = 151,280.68

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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.