Home / 198,581.83-273,856.14-153,188.01

Finding the Fourth Proportional to 198,581.83, 273,856.14 and 153,188.01

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Solution

The fourth proportional to 198,581.83, 273,856.14 and 153,188.01 is: 211,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,581.83 : 273,856.14 = 153,188.01 : x
  2. Step 2: Convert to fraction form
    198,581.83/273,856.14 = 153,188.01/x
  3. Step 3: Cross multiply
    198,581.83x = 273,856.14 × 153,188.01
  4. Step 4: Simplify right side
    198,581.83x = 41,951,477,112.88
  5. Step 5: Solve for x
    x = 41,951,477,112.88/198,581.83
  6. Step 6: Final answer
    x = 211,255.37

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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.