Home / 132,241.75-182,493.03-71,811.89

Finding the Fourth Proportional to 132,241.75, 182,493.03 and 71,811.89

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Solution

The fourth proportional to 132,241.75, 182,493.03 and 71,811.89 is: 99,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,241.75 : 182,493.03 = 71,811.89 : x
  2. Step 2: Convert to fraction form
    132,241.75/182,493.03 = 71,811.89/x
  3. Step 3: Cross multiply
    132,241.75x = 182,493.03 × 71,811.89
  4. Step 4: Simplify right side
    132,241.75x = 13,105,169,396.13
  5. Step 5: Solve for x
    x = 13,105,169,396.13/132,241.75
  6. Step 6: Final answer
    x = 99,100.09

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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.