Home / 141,857.26-195,764.36-78,197.33

Finding the Fourth Proportional to 141,857.26, 195,764.36 and 78,197.33

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Solution

The fourth proportional to 141,857.26, 195,764.36 and 78,197.33 is: 107,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.26 : 195,764.36 = 78,197.33 : x
  2. Step 2: Convert to fraction form
    141,857.26/195,764.36 = 78,197.33/x
  3. Step 3: Cross multiply
    141,857.26x = 195,764.36 × 78,197.33
  4. Step 4: Simplify right side
    141,857.26x = 15,308,250,261.16
  5. Step 5: Solve for x
    x = 15,308,250,261.16/141,857.26
  6. Step 6: Final answer
    x = 107,913.05

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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.