Home / 193,362.14-289,973.72-66,968.35

Finding the Fourth Proportional to 193,362.14, 289,973.72 and 66,968.35

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Solution

The fourth proportional to 193,362.14, 289,973.72 and 66,968.35 is: 100,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,362.14 : 289,973.72 = 66,968.35 : x
  2. Step 2: Convert to fraction form
    193,362.14/289,973.72 = 66,968.35/x
  3. Step 3: Cross multiply
    193,362.14x = 289,973.72 × 66,968.35
  4. Step 4: Simplify right side
    193,362.14x = 19,419,061,571.76
  5. Step 5: Solve for x
    x = 19,419,061,571.76/193,362.14
  6. Step 6: Final answer
    x = 100,428.46

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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.