Home / 149,279.24-205,995.96-82,211.24

Finding the Fourth Proportional to 149,279.24, 205,995.96 and 82,211.24

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Solution

The fourth proportional to 149,279.24, 205,995.96 and 82,211.24 is: 113,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,279.24 : 205,995.96 = 82,211.24 : x
  2. Step 2: Convert to fraction form
    149,279.24/205,995.96 = 82,211.24/x
  3. Step 3: Cross multiply
    149,279.24x = 205,995.96 × 82,211.24
  4. Step 4: Simplify right side
    149,279.24x = 16,935,183,306.59
  5. Step 5: Solve for x
    x = 16,935,183,306.59/149,279.24
  6. Step 6: Final answer
    x = 113,446.34

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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.