Home / 132,744.34-198,855.78-87,628.24

Finding the Fourth Proportional to 132,744.34, 198,855.78 and 87,628.24

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Solution

The fourth proportional to 132,744.34, 198,855.78 and 87,628.24 is: 131,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,744.34 : 198,855.78 = 87,628.24 : x
  2. Step 2: Convert to fraction form
    132,744.34/198,855.78 = 87,628.24/x
  3. Step 3: Cross multiply
    132,744.34x = 198,855.78 × 87,628.24
  4. Step 4: Simplify right side
    132,744.34x = 17,425,380,582.81
  5. Step 5: Solve for x
    x = 17,425,380,582.81/132,744.34
  6. Step 6: Final answer
    x = 131,270.23

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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.