Home / 133,040.20-199,584.60-54,162.40

Finding the Fourth Proportional to 133,040.20, 199,584.60 and 54,162.40

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Solution

The fourth proportional to 133,040.20, 199,584.60 and 54,162.40 is: 81,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.20 : 199,584.60 = 54,162.40 : x
  2. Step 2: Convert to fraction form
    133,040.20/199,584.60 = 54,162.40/x
  3. Step 3: Cross multiply
    133,040.20x = 199,584.60 × 54,162.40
  4. Step 4: Simplify right side
    133,040.20x = 10,809,980,939.04
  5. Step 5: Solve for x
    x = 10,809,980,939.04/133,040.20
  6. Step 6: Final answer
    x = 81,253.49

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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.