Home / 104,288.82-155,091.66-100,967.28

Finding the Fourth Proportional to 104,288.82, 155,091.66 and 100,967.28

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Solution

The fourth proportional to 104,288.82, 155,091.66 and 100,967.28 is: 150,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288.82 : 155,091.66 = 100,967.28 : x
  2. Step 2: Convert to fraction form
    104,288.82/155,091.66 = 100,967.28/x
  3. Step 3: Cross multiply
    104,288.82x = 155,091.66 × 100,967.28
  4. Step 4: Simplify right side
    104,288.82x = 15,659,183,060.88
  5. Step 5: Solve for x
    x = 15,659,183,060.88/104,288.82
  6. Step 6: Final answer
    x = 150,152.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.