Home / 187,949.70-281,970.72-54,831.33

Finding the Fourth Proportional to 187,949.70, 281,970.72 and 54,831.33

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Solution

The fourth proportional to 187,949.70, 281,970.72 and 54,831.33 is: 82,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,949.70 : 281,970.72 = 54,831.33 : x
  2. Step 2: Convert to fraction form
    187,949.70/281,970.72 = 54,831.33/x
  3. Step 3: Cross multiply
    187,949.70x = 281,970.72 × 54,831.33
  4. Step 4: Simplify right side
    187,949.70x = 15,460,829,598.66
  5. Step 5: Solve for x
    x = 15,460,829,598.66/187,949.70
  6. Step 6: Final answer
    x = 82,260.46

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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.