Home / 185,885.28-278,729.10-73,560.96

Finding the Fourth Proportional to 185,885.28, 278,729.10 and 73,560.96

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Solution

The fourth proportional to 185,885.28, 278,729.10 and 73,560.96 is: 110,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.28 : 278,729.10 = 73,560.96 : x
  2. Step 2: Convert to fraction form
    185,885.28/278,729.10 = 73,560.96/x
  3. Step 3: Cross multiply
    185,885.28x = 278,729.10 × 73,560.96
  4. Step 4: Simplify right side
    185,885.28x = 20,503,580,175.94
  5. Step 5: Solve for x
    x = 20,503,580,175.94/185,885.28
  6. Step 6: Final answer
    x = 110,302.33

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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.