Home / 192,764.33-289,091-66,399.47

Finding the Fourth Proportional to 192,764.33, 289,091 and 66,399.47

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Solution

The fourth proportional to 192,764.33, 289,091 and 66,399.47 is: 99,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,764.33 : 289,091 = 66,399.47 : x
  2. Step 2: Convert to fraction form
    192,764.33/289,091 = 66,399.47/x
  3. Step 3: Cross multiply
    192,764.33x = 289,091 × 66,399.47
  4. Step 4: Simplify right side
    192,764.33x = 19,195,487,736.32
  5. Step 5: Solve for x
    x = 19,195,487,736.32/192,764.33
  6. Step 6: Final answer
    x = 99,580.08

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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.