Home / 132,419.30-198,628.53-53,532.62

Finding the Fourth Proportional to 132,419.30, 198,628.53 and 53,532.62

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Solution

The fourth proportional to 132,419.30, 198,628.53 and 53,532.62 is: 80,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.30 : 198,628.53 = 53,532.62 : x
  2. Step 2: Convert to fraction form
    132,419.30/198,628.53 = 53,532.62/x
  3. Step 3: Cross multiply
    132,419.30x = 198,628.53 × 53,532.62
  4. Step 4: Simplify right side
    132,419.30x = 10,633,105,617.65
  5. Step 5: Solve for x
    x = 10,633,105,617.65/132,419.30
  6. Step 6: Final answer
    x = 80,298.76

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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.