Home / 132,434.12-198,692.66-43,749.92

Finding the Fourth Proportional to 132,434.12, 198,692.66 and 43,749.92

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Solution

The fourth proportional to 132,434.12, 198,692.66 and 43,749.92 is: 65,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,434.12 : 198,692.66 = 43,749.92 : x
  2. Step 2: Convert to fraction form
    132,434.12/198,692.66 = 43,749.92/x
  3. Step 3: Cross multiply
    132,434.12x = 198,692.66 × 43,749.92
  4. Step 4: Simplify right side
    132,434.12x = 8,692,787,979.59
  5. Step 5: Solve for x
    x = 8,692,787,979.59/132,434.12
  6. Step 6: Final answer
    x = 65,638.58

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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.