Home / 192,928.33-289,321.42-66,536.13

Finding the Fourth Proportional to 192,928.33, 289,321.42 and 66,536.13

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Solution

The fourth proportional to 192,928.33, 289,321.42 and 66,536.13 is: 99,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,928.33 : 289,321.42 = 66,536.13 : x
  2. Step 2: Convert to fraction form
    192,928.33/289,321.42 = 66,536.13/x
  3. Step 3: Cross multiply
    192,928.33x = 289,321.42 × 66,536.13
  4. Step 4: Simplify right side
    192,928.33x = 19,250,327,612.90
  5. Step 5: Solve for x
    x = 19,250,327,612.90/192,928.33
  6. Step 6: Final answer
    x = 99,779.68

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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.