Home / 144,593.22-199,538.61-80,931.02

Finding the Fourth Proportional to 144,593.22, 199,538.61 and 80,931.02

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Solution

The fourth proportional to 144,593.22, 199,538.61 and 80,931.02 is: 111,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,593.22 : 199,538.61 = 80,931.02 : x
  2. Step 2: Convert to fraction form
    144,593.22/199,538.61 = 80,931.02/x
  3. Step 3: Cross multiply
    144,593.22x = 199,538.61 × 80,931.02
  4. Step 4: Simplify right side
    144,593.22x = 16,148,863,236.68
  5. Step 5: Solve for x
    x = 16,148,863,236.68/144,593.22
  6. Step 6: Final answer
    x = 111,684.79

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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.