Home / 119,704.32-165,190.92-68,725.38

Finding the Fourth Proportional to 119,704.32, 165,190.92 and 68,725.38

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Solution

The fourth proportional to 119,704.32, 165,190.92 and 68,725.38 is: 94,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,704.32 : 165,190.92 = 68,725.38 : x
  2. Step 2: Convert to fraction form
    119,704.32/165,190.92 = 68,725.38/x
  3. Step 3: Cross multiply
    119,704.32x = 165,190.92 × 68,725.38
  4. Step 4: Simplify right side
    119,704.32x = 11,352,808,749.55
  5. Step 5: Solve for x
    x = 11,352,808,749.55/119,704.32
  6. Step 6: Final answer
    x = 94,840.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.