Home / 260,956.06-391,496.37-92,491.11

Finding the Fourth Proportional to 260,956.06, 391,496.37 and 92,491.11

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Solution

The fourth proportional to 260,956.06, 391,496.37 and 92,491.11 is: 138,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,956.06 : 391,496.37 = 92,491.11 : x
  2. Step 2: Convert to fraction form
    260,956.06/391,496.37 = 92,491.11/x
  3. Step 3: Cross multiply
    260,956.06x = 391,496.37 × 92,491.11
  4. Step 4: Simplify right side
    260,956.06x = 36,209,933,822.27
  5. Step 5: Solve for x
    x = 36,209,933,822.27/260,956.06
  6. Step 6: Final answer
    x = 138,758.74

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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.