Home / 186,601.44-279,707.76-81,392.16

Finding the Fourth Proportional to 186,601.44, 279,707.76 and 81,392.16

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Solution

The fourth proportional to 186,601.44, 279,707.76 and 81,392.16 is: 122,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,601.44 : 279,707.76 = 81,392.16 : x
  2. Step 2: Convert to fraction form
    186,601.44/279,707.76 = 81,392.16/x
  3. Step 3: Cross multiply
    186,601.44x = 279,707.76 × 81,392.16
  4. Step 4: Simplify right side
    186,601.44x = 22,766,018,755.16
  5. Step 5: Solve for x
    x = 22,766,018,755.16/186,601.44
  6. Step 6: Final answer
    x = 122,003.45

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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.