Home / 132,360.40-198,589.20-53,482.60

Finding the Fourth Proportional to 132,360.40, 198,589.20 and 53,482.60

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Solution

The fourth proportional to 132,360.40, 198,589.20 and 53,482.60 is: 80,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,360.40 : 198,589.20 = 53,482.60 : x
  2. Step 2: Convert to fraction form
    132,360.40/198,589.20 = 53,482.60/x
  3. Step 3: Cross multiply
    132,360.40x = 198,589.20 × 53,482.60
  4. Step 4: Simplify right side
    132,360.40x = 10,621,066,747.92
  5. Step 5: Solve for x
    x = 10,621,066,747.92/132,360.40
  6. Step 6: Final answer
    x = 80,243.54

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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.