Home / 192,929.58-289,323.29-66,537.38

Finding the Fourth Proportional to 192,929.58, 289,323.29 and 66,537.38

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Solution

The fourth proportional to 192,929.58, 289,323.29 and 66,537.38 is: 99,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,929.58 : 289,323.29 = 66,537.38 : x
  2. Step 2: Convert to fraction form
    192,929.58/289,323.29 = 66,537.38/x
  3. Step 3: Cross multiply
    192,929.58x = 289,323.29 × 66,537.38
  4. Step 4: Simplify right side
    192,929.58x = 19,250,814,579.23
  5. Step 5: Solve for x
    x = 19,250,814,579.23/192,929.58
  6. Step 6: Final answer
    x = 99,781.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.