Home / 149,789.16-206,614.13-113,900.49

Finding the Fourth Proportional to 149,789.16, 206,614.13 and 113,900.49

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Solution

The fourth proportional to 149,789.16, 206,614.13 and 113,900.49 is: 157,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,789.16 : 206,614.13 = 113,900.49 : x
  2. Step 2: Convert to fraction form
    149,789.16/206,614.13 = 113,900.49/x
  3. Step 3: Cross multiply
    149,789.16x = 206,614.13 × 113,900.49
  4. Step 4: Simplify right side
    149,789.16x = 23,533,450,078.42
  5. Step 5: Solve for x
    x = 23,533,450,078.42/149,789.16
  6. Step 6: Final answer
    x = 157,110.50

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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.