Home / 187,981.11-282,045.47-82,726.25

Finding the Fourth Proportional to 187,981.11, 282,045.47 and 82,726.25

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Solution

The fourth proportional to 187,981.11, 282,045.47 and 82,726.25 is: 124,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,981.11 : 282,045.47 = 82,726.25 : x
  2. Step 2: Convert to fraction form
    187,981.11/282,045.47 = 82,726.25/x
  3. Step 3: Cross multiply
    187,981.11x = 282,045.47 × 82,726.25
  4. Step 4: Simplify right side
    187,981.11x = 23,332,562,238.73
  5. Step 5: Solve for x
    x = 23,332,562,238.73/187,981.11
  6. Step 6: Final answer
    x = 124,121.85

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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.