Home / 187,942.49-282,053.85-75,623.66

Finding the Fourth Proportional to 187,942.49, 282,053.85 and 75,623.66

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Solution

The fourth proportional to 187,942.49, 282,053.85 and 75,623.66 is: 113,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.49 : 282,053.85 = 75,623.66 : x
  2. Step 2: Convert to fraction form
    187,942.49/282,053.85 = 75,623.66/x
  3. Step 3: Cross multiply
    187,942.49x = 282,053.85 × 75,623.66
  4. Step 4: Simplify right side
    187,942.49x = 21,329,945,007.85
  5. Step 5: Solve for x
    x = 21,329,945,007.85/187,942.49
  6. Step 6: Final answer
    x = 113,491.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.