Home / 50,131.20-75,196.80-16,840.20

Finding the Fourth Proportional to 50,131.20, 75,196.80 and 16,840.20

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Solution

The fourth proportional to 50,131.20, 75,196.80 and 16,840.20 is: 25,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.20 : 75,196.80 = 16,840.20 : x
  2. Step 2: Convert to fraction form
    50,131.20/75,196.80 = 16,840.20/x
  3. Step 3: Cross multiply
    50,131.20x = 75,196.80 × 16,840.20
  4. Step 4: Simplify right side
    50,131.20x = 1,266,329,151.36
  5. Step 5: Solve for x
    x = 1,266,329,151.36/50,131.20
  6. Step 6: Final answer
    x = 25,260.30

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1.5x scale

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.