Home / 150,440.64-225,632.56-75,540.48

Finding the Fourth Proportional to 150,440.64, 225,632.56 and 75,540.48

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Solution

The fourth proportional to 150,440.64, 225,632.56 and 75,540.48 is: 113,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,440.64 : 225,632.56 = 75,540.48 : x
  2. Step 2: Convert to fraction form
    150,440.64/225,632.56 = 75,540.48/x
  3. Step 3: Cross multiply
    150,440.64x = 225,632.56 × 75,540.48
  4. Step 4: Simplify right side
    150,440.64x = 17,044,391,886.03
  5. Step 5: Solve for x
    x = 17,044,391,886.03/150,440.64
  6. Step 6: Final answer
    x = 113,296.46

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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.