Home / 198,220.32-273,771.08-130,539.83

Finding the Fourth Proportional to 198,220.32, 273,771.08 and 130,539.83

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Solution

The fourth proportional to 198,220.32, 273,771.08 and 130,539.83 is: 180,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.32 : 273,771.08 = 130,539.83 : x
  2. Step 2: Convert to fraction form
    198,220.32/273,771.08 = 130,539.83/x
  3. Step 3: Cross multiply
    198,220.32x = 273,771.08 × 130,539.83
  4. Step 4: Simplify right side
    198,220.32x = 35,738,028,220.56
  5. Step 5: Solve for x
    x = 35,738,028,220.56/198,220.32
  6. Step 6: Final answer
    x = 180,294.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.