Home / 132,453.45-198,643.73-53,575.65

Finding the Fourth Proportional to 132,453.45, 198,643.73 and 53,575.65

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Solution

The fourth proportional to 132,453.45, 198,643.73 and 53,575.65 is: 80,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,453.45 : 198,643.73 = 53,575.65 : x
  2. Step 2: Convert to fraction form
    132,453.45/198,643.73 = 53,575.65/x
  3. Step 3: Cross multiply
    132,453.45x = 198,643.73 × 53,575.65
  4. Step 4: Simplify right side
    132,453.45x = 10,642,466,685.30
  5. Step 5: Solve for x
    x = 10,642,466,685.30/132,453.45
  6. Step 6: Final answer
    x = 80,348.73

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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.