Home / 243,609.31-336,183.24-136,185.22

Finding the Fourth Proportional to 243,609.31, 336,183.24 and 136,185.22

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Solution

The fourth proportional to 243,609.31, 336,183.24 and 136,185.22 is: 187,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,609.31 : 336,183.24 = 136,185.22 : x
  2. Step 2: Convert to fraction form
    243,609.31/336,183.24 = 136,185.22/x
  3. Step 3: Cross multiply
    243,609.31x = 336,183.24 × 136,185.22
  4. Step 4: Simplify right side
    243,609.31x = 45,783,188,499.71
  5. Step 5: Solve for x
    x = 45,783,188,499.71/243,609.31
  6. Step 6: Final answer
    x = 187,936.94

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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.