Home / 149,622.38-206,483.20-82,558.70

Finding the Fourth Proportional to 149,622.38, 206,483.20 and 82,558.70

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Solution

The fourth proportional to 149,622.38, 206,483.20 and 82,558.70 is: 113,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,622.38 : 206,483.20 = 82,558.70 : x
  2. Step 2: Convert to fraction form
    149,622.38/206,483.20 = 82,558.70/x
  3. Step 3: Cross multiply
    149,622.38x = 206,483.20 × 82,558.70
  4. Step 4: Simplify right side
    149,622.38x = 17,046,983,325.03
  5. Step 5: Solve for x
    x = 17,046,983,325.03/149,622.38
  6. Step 6: Final answer
    x = 113,933.38

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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.