Home / 202,453.08-303,648.45-67,519.50

Finding the Fourth Proportional to 202,453.08, 303,648.45 and 67,519.50

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Solution

The fourth proportional to 202,453.08, 303,648.45 and 67,519.50 is: 101,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,453.08 : 303,648.45 = 67,519.50 : x
  2. Step 2: Convert to fraction form
    202,453.08/303,648.45 = 67,519.50/x
  3. Step 3: Cross multiply
    202,453.08x = 303,648.45 × 67,519.50
  4. Step 4: Simplify right side
    202,453.08x = 20,502,191,519.78
  5. Step 5: Solve for x
    x = 20,502,191,519.78/202,453.08
  6. Step 6: Final answer
    x = 101,268.85

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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.