Home / 129,241.40-193,872.60-35,747.16

Finding the Fourth Proportional to 129,241.40, 193,872.60 and 35,747.16

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Solution

The fourth proportional to 129,241.40, 193,872.60 and 35,747.16 is: 53,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,241.40 : 193,872.60 = 35,747.16 : x
  2. Step 2: Convert to fraction form
    129,241.40/193,872.60 = 35,747.16/x
  3. Step 3: Cross multiply
    129,241.40x = 193,872.60 × 35,747.16
  4. Step 4: Simplify right side
    129,241.40x = 6,930,394,851.82
  5. Step 5: Solve for x
    x = 6,930,394,851.82/129,241.40
  6. Step 6: Final answer
    x = 53,623.64

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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.