Home / 187,084.46-280,721.46-81,904.34

Finding the Fourth Proportional to 187,084.46, 280,721.46 and 81,904.34

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Solution

The fourth proportional to 187,084.46, 280,721.46 and 81,904.34 is: 122,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084.46 : 280,721.46 = 81,904.34 : x
  2. Step 2: Convert to fraction form
    187,084.46/280,721.46 = 81,904.34/x
  3. Step 3: Cross multiply
    187,084.46x = 280,721.46 × 81,904.34
  4. Step 4: Simplify right side
    187,084.46x = 22,992,305,905.14
  5. Step 5: Solve for x
    x = 22,992,305,905.14/187,084.46
  6. Step 6: Final answer
    x = 122,898.00

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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.