Home / 149,049.30-223,568.82-42,433.92

Finding the Fourth Proportional to 149,049.30, 223,568.82 and 42,433.92

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Solution

The fourth proportional to 149,049.30, 223,568.82 and 42,433.92 is: 63,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,049.30 : 223,568.82 = 42,433.92 : x
  2. Step 2: Convert to fraction form
    149,049.30/223,568.82 = 42,433.92/x
  3. Step 3: Cross multiply
    149,049.30x = 223,568.82 × 42,433.92
  4. Step 4: Simplify right side
    149,049.30x = 9,486,901,422.37
  5. Step 5: Solve for x
    x = 9,486,901,422.37/149,049.30
  6. Step 6: Final answer
    x = 63,649.42

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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.