Home / 134,165.82-185,136.78-73,735.80

Finding the Fourth Proportional to 134,165.82, 185,136.78 and 73,735.80

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Solution

The fourth proportional to 134,165.82, 185,136.78 and 73,735.80 is: 101,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,165.82 : 185,136.78 = 73,735.80 : x
  2. Step 2: Convert to fraction form
    134,165.82/185,136.78 = 73,735.80/x
  3. Step 3: Cross multiply
    134,165.82x = 185,136.78 × 73,735.80
  4. Step 4: Simplify right side
    134,165.82x = 13,651,208,582.72
  5. Step 5: Solve for x
    x = 13,651,208,582.72/134,165.82
  6. Step 6: Final answer
    x = 101,748.78

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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.