Home / 149,608.56-206,434.44-89,178.12

Finding the Fourth Proportional to 149,608.56, 206,434.44 and 89,178.12

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Solution

The fourth proportional to 149,608.56, 206,434.44 and 89,178.12 is: 123,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608.56 : 206,434.44 = 89,178.12 : x
  2. Step 2: Convert to fraction form
    149,608.56/206,434.44 = 89,178.12/x
  3. Step 3: Cross multiply
    149,608.56x = 206,434.44 × 89,178.12
  4. Step 4: Simplify right side
    149,608.56x = 18,409,435,262.45
  5. Step 5: Solve for x
    x = 18,409,435,262.45/149,608.56
  6. Step 6: Final answer
    x = 123,050.68

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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.