Home / 132,564.53-198,846.80-109,141.76

Finding the Fourth Proportional to 132,564.53, 198,846.80 and 109,141.76

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Solution

The fourth proportional to 132,564.53, 198,846.80 and 109,141.76 is: 163,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.53 : 198,846.80 = 109,141.76 : x
  2. Step 2: Convert to fraction form
    132,564.53/198,846.80 = 109,141.76/x
  3. Step 3: Cross multiply
    132,564.53x = 198,846.80 × 109,141.76
  4. Step 4: Simplify right side
    132,564.53x = 21,702,489,722.37
  5. Step 5: Solve for x
    x = 21,702,489,722.37/132,564.53
  6. Step 6: Final answer
    x = 163,712.64

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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.