Home / 190,731.24-263,204.10-105,846.12

Finding the Fourth Proportional to 190,731.24, 263,204.10 and 105,846.12

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Solution

The fourth proportional to 190,731.24, 263,204.10 and 105,846.12 is: 146,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,731.24 : 263,204.10 = 105,846.12 : x
  2. Step 2: Convert to fraction form
    190,731.24/263,204.10 = 105,846.12/x
  3. Step 3: Cross multiply
    190,731.24x = 263,204.10 × 105,846.12
  4. Step 4: Simplify right side
    190,731.24x = 27,859,132,753.09
  5. Step 5: Solve for x
    x = 27,859,132,753.09/190,731.24
  6. Step 6: Final answer
    x = 146,064.86

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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.