Home / 132,231.28-198,690.36-123,592.36

Finding the Fourth Proportional to 132,231.28, 198,690.36 and 123,592.36

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Solution

The fourth proportional to 132,231.28, 198,690.36 and 123,592.36 is: 185,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,231.28 : 198,690.36 = 123,592.36 : x
  2. Step 2: Convert to fraction form
    132,231.28/198,690.36 = 123,592.36/x
  3. Step 3: Cross multiply
    132,231.28x = 198,690.36 × 123,592.36
  4. Step 4: Simplify right side
    132,231.28x = 24,556,610,501.65
  5. Step 5: Solve for x
    x = 24,556,610,501.65/132,231.28
  6. Step 6: Final answer
    x = 185,709.54

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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.