Home / 149,744.57-206,681.96-98,766.41

Finding the Fourth Proportional to 149,744.57, 206,681.96 and 98,766.41

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Solution

The fourth proportional to 149,744.57, 206,681.96 and 98,766.41 is: 136,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,744.57 : 206,681.96 = 98,766.41 : x
  2. Step 2: Convert to fraction form
    149,744.57/206,681.96 = 98,766.41/x
  3. Step 3: Cross multiply
    149,744.57x = 206,681.96 × 98,766.41
  4. Step 4: Simplify right side
    149,744.57x = 20,413,234,414.47
  5. Step 5: Solve for x
    x = 20,413,234,414.47/149,744.57
  6. Step 6: Final answer
    x = 136,320.37

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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.