Home / 134,137.26-185,109.37-73,711.80

Finding the Fourth Proportional to 134,137.26, 185,109.37 and 73,711.80

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Solution

The fourth proportional to 134,137.26, 185,109.37 and 73,711.80 is: 101,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.26 : 185,109.37 = 73,711.80 : x
  2. Step 2: Convert to fraction form
    134,137.26/185,109.37 = 73,711.80/x
  3. Step 3: Cross multiply
    134,137.26x = 185,109.37 × 73,711.80
  4. Step 4: Simplify right side
    134,137.26x = 13,644,744,859.57
  5. Step 5: Solve for x
    x = 13,644,744,859.57/134,137.26
  6. Step 6: Final answer
    x = 101,722.26

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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.