Home / 331,137.81-457,033.17-187,911.18

Finding the Fourth Proportional to 331,137.81, 457,033.17 and 187,911.18

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Solution

The fourth proportional to 331,137.81, 457,033.17 and 187,911.18 is: 259,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,137.81 : 457,033.17 = 187,911.18 : x
  2. Step 2: Convert to fraction form
    331,137.81/457,033.17 = 187,911.18/x
  3. Step 3: Cross multiply
    331,137.81x = 457,033.17 × 187,911.18
  4. Step 4: Simplify right side
    331,137.81x = 85,881,642,273.84
  5. Step 5: Solve for x
    x = 85,881,642,273.84/331,137.81
  6. Step 6: Final answer
    x = 259,353.17

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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.