Home / 149,380.38-223,907.55-73,531.12

Finding the Fourth Proportional to 149,380.38, 223,907.55 and 73,531.12

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Solution

The fourth proportional to 149,380.38, 223,907.55 and 73,531.12 is: 110,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,380.38 : 223,907.55 = 73,531.12 : x
  2. Step 2: Convert to fraction form
    149,380.38/223,907.55 = 73,531.12/x
  3. Step 3: Cross multiply
    149,380.38x = 223,907.55 × 73,531.12
  4. Step 4: Simplify right side
    149,380.38x = 16,464,172,927.96
  5. Step 5: Solve for x
    x = 16,464,172,927.96/149,380.38
  6. Step 6: Final answer
    x = 110,216.43

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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.