Home / 218,023.08-327,173.19-112,842.06

Finding the Fourth Proportional to 218,023.08, 327,173.19 and 112,842.06

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Solution

The fourth proportional to 218,023.08, 327,173.19 and 112,842.06 is: 169,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,023.08 : 327,173.19 = 112,842.06 : x
  2. Step 2: Convert to fraction form
    218,023.08/327,173.19 = 112,842.06/x
  3. Step 3: Cross multiply
    218,023.08x = 327,173.19 × 112,842.06
  4. Step 4: Simplify right side
    218,023.08x = 36,918,896,736.37
  5. Step 5: Solve for x
    x = 36,918,896,736.37/218,023.08
  6. Step 6: Final answer
    x = 169,334.81

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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.