Home / 187,981.86-282,046.59-82,727.00

Finding the Fourth Proportional to 187,981.86, 282,046.59 and 82,727.00

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Solution

The fourth proportional to 187,981.86, 282,046.59 and 82,727.00 is: 124,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,981.86 : 282,046.59 = 82,727.00 : x
  2. Step 2: Convert to fraction form
    187,981.86/282,046.59 = 82,727.00/x
  3. Step 3: Cross multiply
    187,981.86x = 282,046.59 × 82,727.00
  4. Step 4: Simplify right side
    187,981.86x = 23,332,866,840.70
  5. Step 5: Solve for x
    x = 23,332,866,840.70/187,981.86
  6. Step 6: Final answer
    x = 124,122.97

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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.