Home / 150,390.40-225,643.20-148,028.80

Finding the Fourth Proportional to 150,390.40, 225,643.20 and 148,028.80

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Solution

The fourth proportional to 150,390.40, 225,643.20 and 148,028.80 is: 222,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,390.40 : 225,643.20 = 148,028.80 : x
  2. Step 2: Convert to fraction form
    150,390.40/225,643.20 = 148,028.80/x
  3. Step 3: Cross multiply
    150,390.40x = 225,643.20 × 148,028.80
  4. Step 4: Simplify right side
    150,390.40x = 33,401,692,124.16
  5. Step 5: Solve for x
    x = 33,401,692,124.16/150,390.40
  6. Step 6: Final answer
    x = 222,099.90

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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.