Home / 218,512.08-327,805.56-100,193.58

Finding the Fourth Proportional to 218,512.08, 327,805.56 and 100,193.58

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Solution

The fourth proportional to 218,512.08, 327,805.56 and 100,193.58 is: 150,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,512.08 : 327,805.56 = 100,193.58 : x
  2. Step 2: Convert to fraction form
    218,512.08/327,805.56 = 100,193.58/x
  3. Step 3: Cross multiply
    218,512.08x = 327,805.56 × 100,193.58
  4. Step 4: Simplify right side
    218,512.08x = 32,844,012,600.30
  5. Step 5: Solve for x
    x = 32,844,012,600.30/218,512.08
  6. Step 6: Final answer
    x = 150,307.54

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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.