Home / 144,034.39-198,767.67-80,372.37

Finding the Fourth Proportional to 144,034.39, 198,767.67 and 80,372.37

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Solution

The fourth proportional to 144,034.39, 198,767.67 and 80,372.37 is: 110,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,034.39 : 198,767.67 = 80,372.37 : x
  2. Step 2: Convert to fraction form
    144,034.39/198,767.67 = 80,372.37/x
  3. Step 3: Cross multiply
    144,034.39x = 198,767.67 × 80,372.37
  4. Step 4: Simplify right side
    144,034.39x = 15,975,428,717.28
  5. Step 5: Solve for x
    x = 15,975,428,717.28/144,034.39
  6. Step 6: Final answer
    x = 110,913.99

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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.