Home / 144,236.27-199,057.64-79,711.16

Finding the Fourth Proportional to 144,236.27, 199,057.64 and 79,711.16

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Solution

The fourth proportional to 144,236.27, 199,057.64 and 79,711.16 is: 110,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,236.27 : 199,057.64 = 79,711.16 : x
  2. Step 2: Convert to fraction form
    144,236.27/199,057.64 = 79,711.16/x
  3. Step 3: Cross multiply
    144,236.27x = 199,057.64 × 79,711.16
  4. Step 4: Simplify right side
    144,236.27x = 15,867,113,997.42
  5. Step 5: Solve for x
    x = 15,867,113,997.42/144,236.27
  6. Step 6: Final answer
    x = 110,007.80

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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.