Home / 132,415.45-198,357.22-61,238.32

Finding the Fourth Proportional to 132,415.45, 198,357.22 and 61,238.32

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Solution

The fourth proportional to 132,415.45, 198,357.22 and 61,238.32 is: 91,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.45 : 198,357.22 = 61,238.32 : x
  2. Step 2: Convert to fraction form
    132,415.45/198,357.22 = 61,238.32/x
  3. Step 3: Cross multiply
    132,415.45x = 198,357.22 × 61,238.32
  4. Step 4: Simplify right side
    132,415.45x = 12,147,062,912.67
  5. Step 5: Solve for x
    x = 12,147,062,912.67/132,415.45
  6. Step 6: Final answer
    x = 91,734.48

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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.