Home / 135,872.12-202,893.21-110,961.59

Finding the Fourth Proportional to 135,872.12, 202,893.21 and 110,961.59

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Solution

The fourth proportional to 135,872.12, 202,893.21 and 110,961.59 is: 165,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,872.12 : 202,893.21 = 110,961.59 : x
  2. Step 2: Convert to fraction form
    135,872.12/202,893.21 = 110,961.59/x
  3. Step 3: Cross multiply
    135,872.12x = 202,893.21 × 110,961.59
  4. Step 4: Simplify right side
    135,872.12x = 22,513,352,167.34
  5. Step 5: Solve for x
    x = 22,513,352,167.34/135,872.12
  6. Step 6: Final answer
    x = 165,695.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.