Home / 169,500.26-254,057.07-79,448.78

Finding the Fourth Proportional to 169,500.26, 254,057.07 and 79,448.78

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Solution

The fourth proportional to 169,500.26, 254,057.07 and 79,448.78 is: 119,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,500.26 : 254,057.07 = 79,448.78 : x
  2. Step 2: Convert to fraction form
    169,500.26/254,057.07 = 79,448.78/x
  3. Step 3: Cross multiply
    169,500.26x = 254,057.07 × 79,448.78
  4. Step 4: Simplify right side
    169,500.26x = 20,184,524,261.87
  5. Step 5: Solve for x
    x = 20,184,524,261.87/169,500.26
  6. Step 6: Final answer
    x = 119,082.56

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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.