Home / 113,395.21-170,131.25-50,206.63

Finding the Fourth Proportional to 113,395.21, 170,131.25 and 50,206.63

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Solution

The fourth proportional to 113,395.21, 170,131.25 and 50,206.63 is: 75,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,395.21 : 170,131.25 = 50,206.63 : x
  2. Step 2: Convert to fraction form
    113,395.21/170,131.25 = 50,206.63/x
  3. Step 3: Cross multiply
    113,395.21x = 170,131.25 × 50,206.63
  4. Step 4: Simplify right side
    113,395.21x = 8,541,715,869.53
  5. Step 5: Solve for x
    x = 8,541,715,869.53/113,395.21
  6. Step 6: Final answer
    x = 75,326.96

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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.