Home / 149,719.86-206,593.79-89,297.59

Finding the Fourth Proportional to 149,719.86, 206,593.79 and 89,297.59

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Solution

The fourth proportional to 149,719.86, 206,593.79 and 89,297.59 is: 123,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.86 : 206,593.79 = 89,297.59 : x
  2. Step 2: Convert to fraction form
    149,719.86/206,593.79 = 89,297.59/x
  3. Step 3: Cross multiply
    149,719.86x = 206,593.79 × 89,297.59
  4. Step 4: Simplify right side
    149,719.86x = 18,448,327,555.97
  5. Step 5: Solve for x
    x = 18,448,327,555.97/149,719.86
  6. Step 6: Final answer
    x = 123,218.98

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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.