Home / 149,249.30-223,733.19-74,298.50

Finding the Fourth Proportional to 149,249.30, 223,733.19 and 74,298.50

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Solution

The fourth proportional to 149,249.30, 223,733.19 and 74,298.50 is: 111,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,249.30 : 223,733.19 = 74,298.50 : x
  2. Step 2: Convert to fraction form
    149,249.30/223,733.19 = 74,298.50/x
  3. Step 3: Cross multiply
    149,249.30x = 223,733.19 × 74,298.50
  4. Step 4: Simplify right side
    149,249.30x = 16,623,040,417.22
  5. Step 5: Solve for x
    x = 16,623,040,417.22/149,249.30
  6. Step 6: Final answer
    x = 111,377.68

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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.