Home / 300,966.20-451,570.80-132,518.60

Finding the Fourth Proportional to 300,966.20, 451,570.80 and 132,518.60

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Solution

The fourth proportional to 300,966.20, 451,570.80 and 132,518.60 is: 198,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,966.20 : 451,570.80 = 132,518.60 : x
  2. Step 2: Convert to fraction form
    300,966.20/451,570.80 = 132,518.60/x
  3. Step 3: Cross multiply
    300,966.20x = 451,570.80 × 132,518.60
  4. Step 4: Simplify right side
    300,966.20x = 59,841,530,216.88
  5. Step 5: Solve for x
    x = 59,841,530,216.88/300,966.20
  6. Step 6: Final answer
    x = 198,831.40

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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.