Home / 149,337.60-206,085.89-82,269.60

Finding the Fourth Proportional to 149,337.60, 206,085.89 and 82,269.60

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Solution

The fourth proportional to 149,337.60, 206,085.89 and 82,269.60 is: 113,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.60 : 206,085.89 = 82,269.60 : x
  2. Step 2: Convert to fraction form
    149,337.60/206,085.89 = 82,269.60/x
  3. Step 3: Cross multiply
    149,337.60x = 206,085.89 × 82,269.60
  4. Step 4: Simplify right side
    149,337.60x = 16,954,603,324.60
  5. Step 5: Solve for x
    x = 16,954,603,324.60/149,337.60
  6. Step 6: Final answer
    x = 113,532.05

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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.