Home / 149,626.41-206,511.23-89,200.96

Finding the Fourth Proportional to 149,626.41, 206,511.23 and 89,200.96

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Solution

The fourth proportional to 149,626.41, 206,511.23 and 89,200.96 is: 123,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,626.41 : 206,511.23 = 89,200.96 : x
  2. Step 2: Convert to fraction form
    149,626.41/206,511.23 = 89,200.96/x
  3. Step 3: Cross multiply
    149,626.41x = 206,511.23 × 89,200.96
  4. Step 4: Simplify right side
    149,626.41x = 18,420,999,966.78
  5. Step 5: Solve for x
    x = 18,420,999,966.78/149,626.41
  6. Step 6: Final answer
    x = 123,113.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.