Home / 141,425.42-195,170.39-76,898.33

Finding the Fourth Proportional to 141,425.42, 195,170.39 and 76,898.33

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Solution

The fourth proportional to 141,425.42, 195,170.39 and 76,898.33 is: 106,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,425.42 : 195,170.39 = 76,898.33 : x
  2. Step 2: Convert to fraction form
    141,425.42/195,170.39 = 76,898.33/x
  3. Step 3: Cross multiply
    141,425.42x = 195,170.39 × 76,898.33
  4. Step 4: Simplify right side
    141,425.42x = 15,008,275,696.11
  5. Step 5: Solve for x
    x = 15,008,275,696.11/141,425.42
  6. Step 6: Final answer
    x = 106,121.49

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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.