Home / 134,161.82-185,131.26-73,731.80

Finding the Fourth Proportional to 134,161.82, 185,131.26 and 73,731.80

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Solution

The fourth proportional to 134,161.82, 185,131.26 and 73,731.80 is: 101,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,161.82 : 185,131.26 = 73,731.80 : x
  2. Step 2: Convert to fraction form
    134,161.82/185,131.26 = 73,731.80/x
  3. Step 3: Cross multiply
    134,161.82x = 185,131.26 × 73,731.80
  4. Step 4: Simplify right side
    134,161.82x = 13,650,061,036.07
  5. Step 5: Solve for x
    x = 13,650,061,036.07/134,161.82
  6. Step 6: Final answer
    x = 101,743.26

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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.