Home / 149,678.40-206,559.20-82,610.24

Finding the Fourth Proportional to 149,678.40, 206,559.20 and 82,610.24

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Solution

The fourth proportional to 149,678.40, 206,559.20 and 82,610.24 is: 114,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,678.40 : 206,559.20 = 82,610.24 : x
  2. Step 2: Convert to fraction form
    149,678.40/206,559.20 = 82,610.24/x
  3. Step 3: Cross multiply
    149,678.40x = 206,559.20 × 82,610.24
  4. Step 4: Simplify right side
    149,678.40x = 17,063,905,086.21
  5. Step 5: Solve for x
    x = 17,063,905,086.21/149,678.40
  6. Step 6: Final answer
    x = 114,003.79

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1.5x scale

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.