Home / 150,400.80-225,601.20-132,321.60

Finding the Fourth Proportional to 150,400.80, 225,601.20 and 132,321.60

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Solution

The fourth proportional to 150,400.80, 225,601.20 and 132,321.60 is: 198,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,400.80 : 225,601.20 = 132,321.60 : x
  2. Step 2: Convert to fraction form
    150,400.80/225,601.20 = 132,321.60/x
  3. Step 3: Cross multiply
    150,400.80x = 225,601.20 × 132,321.60
  4. Step 4: Simplify right side
    150,400.80x = 29,851,911,745.92
  5. Step 5: Solve for x
    x = 29,851,911,745.92/150,400.80
  6. Step 6: Final answer
    x = 198,482.40

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1.5x scale

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.