Home / 218,620.02-327,189.36-134,433.51

Finding the Fourth Proportional to 218,620.02, 327,189.36 and 134,433.51

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Solution

The fourth proportional to 218,620.02, 327,189.36 and 134,433.51 is: 201,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,620.02 : 327,189.36 = 134,433.51 : x
  2. Step 2: Convert to fraction form
    218,620.02/327,189.36 = 134,433.51/x
  3. Step 3: Cross multiply
    218,620.02x = 327,189.36 × 134,433.51
  4. Step 4: Simplify right side
    218,620.02x = 43,985,214,099.45
  5. Step 5: Solve for x
    x = 43,985,214,099.45/218,620.02
  6. Step 6: Final answer
    x = 201,194.81

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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.