Home / 149,051.21-223,202.92-89,042.66

Finding the Fourth Proportional to 149,051.21, 223,202.92 and 89,042.66

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Solution

The fourth proportional to 149,051.21, 223,202.92 and 89,042.66 is: 133,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,051.21 : 223,202.92 = 89,042.66 : x
  2. Step 2: Convert to fraction form
    149,051.21/223,202.92 = 89,042.66/x
  3. Step 3: Cross multiply
    149,051.21x = 223,202.92 × 89,042.66
  4. Step 4: Simplify right side
    149,051.21x = 19,874,581,716.57
  5. Step 5: Solve for x
    x = 19,874,581,716.57/149,051.21
  6. Step 6: Final answer
    x = 133,340.63

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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.