Home / 132,206.51-198,267.64-43,439.42

Finding the Fourth Proportional to 132,206.51, 198,267.64 and 43,439.42

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Solution

The fourth proportional to 132,206.51, 198,267.64 and 43,439.42 is: 65,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,206.51 : 198,267.64 = 43,439.42 : x
  2. Step 2: Convert to fraction form
    132,206.51/198,267.64 = 43,439.42/x
  3. Step 3: Cross multiply
    132,206.51x = 198,267.64 × 43,439.42
  4. Step 4: Simplify right side
    132,206.51x = 8,612,631,286.37
  5. Step 5: Solve for x
    x = 8,612,631,286.37/132,206.51
  6. Step 6: Final answer
    x = 65,145.29

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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.