Home / 193,150.72-289,655.04-66,759.04

Finding the Fourth Proportional to 193,150.72, 289,655.04 and 66,759.04

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Solution

The fourth proportional to 193,150.72, 289,655.04 and 66,759.04 is: 100,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,150.72 : 289,655.04 = 66,759.04 : x
  2. Step 2: Convert to fraction form
    193,150.72/289,655.04 = 66,759.04/x
  3. Step 3: Cross multiply
    193,150.72x = 289,655.04 × 66,759.04
  4. Step 4: Simplify right side
    193,150.72x = 19,337,092,401.56
  5. Step 5: Solve for x
    x = 19,337,092,401.56/193,150.72
  6. Step 6: Final answer
    x = 100,114.01

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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.