Home / 132,178.67-182,401.62-71,748.02

Finding the Fourth Proportional to 132,178.67, 182,401.62 and 71,748.02

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Solution

The fourth proportional to 132,178.67, 182,401.62 and 71,748.02 is: 99,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,178.67 : 182,401.62 = 71,748.02 : x
  2. Step 2: Convert to fraction form
    132,178.67/182,401.62 = 71,748.02/x
  3. Step 3: Cross multiply
    132,178.67x = 182,401.62 × 71,748.02
  4. Step 4: Simplify right side
    132,178.67x = 13,086,954,167.78
  5. Step 5: Solve for x
    x = 13,086,954,167.78/132,178.67
  6. Step 6: Final answer
    x = 99,009.58

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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.