Home / 150,027.18-225,077.42-105,740.43

Finding the Fourth Proportional to 150,027.18, 225,077.42 and 105,740.43

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Solution

The fourth proportional to 150,027.18, 225,077.42 and 105,740.43 is: 158,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,027.18 : 225,077.42 = 105,740.43 : x
  2. Step 2: Convert to fraction form
    150,027.18/225,077.42 = 105,740.43/x
  3. Step 3: Cross multiply
    150,027.18x = 225,077.42 × 105,740.43
  4. Step 4: Simplify right side
    150,027.18x = 23,799,783,174.09
  5. Step 5: Solve for x
    x = 23,799,783,174.09/150,027.18
  6. Step 6: Final answer
    x = 158,636.48

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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.