Home / 149,337.10-206,085.19-82,269.10

Finding the Fourth Proportional to 149,337.10, 206,085.19 and 82,269.10

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Solution

The fourth proportional to 149,337.10, 206,085.19 and 82,269.10 is: 113,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.10 : 206,085.19 = 82,269.10 : x
  2. Step 2: Convert to fraction form
    149,337.10/206,085.19 = 82,269.10/x
  3. Step 3: Cross multiply
    149,337.10x = 206,085.19 × 82,269.10
  4. Step 4: Simplify right side
    149,337.10x = 16,954,443,104.63
  5. Step 5: Solve for x
    x = 16,954,443,104.63/149,337.10
  6. Step 6: Final answer
    x = 113,531.35

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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.