Home / 149,033.26-205,664.88-84,514.69

Finding the Fourth Proportional to 149,033.26, 205,664.88 and 84,514.69

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Solution

The fourth proportional to 149,033.26, 205,664.88 and 84,514.69 is: 116,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,033.26 : 205,664.88 = 84,514.69 : x
  2. Step 2: Convert to fraction form
    149,033.26/205,664.88 = 84,514.69/x
  3. Step 3: Cross multiply
    149,033.26x = 205,664.88 × 84,514.69
  4. Step 4: Simplify right side
    149,033.26x = 17,381,703,577.09
  5. Step 5: Solve for x
    x = 17,381,703,577.09/149,033.26
  6. Step 6: Final answer
    x = 116,629.69

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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.