Home / 186,736.19-279,973.06-68,392.15

Finding the Fourth Proportional to 186,736.19, 279,973.06 and 68,392.15

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Solution

The fourth proportional to 186,736.19, 279,973.06 and 68,392.15 is: 102,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,736.19 : 279,973.06 = 68,392.15 : x
  2. Step 2: Convert to fraction form
    186,736.19/279,973.06 = 68,392.15/x
  3. Step 3: Cross multiply
    186,736.19x = 279,973.06 × 68,392.15
  4. Step 4: Simplify right side
    186,736.19x = 19,147,958,644.57
  5. Step 5: Solve for x
    x = 19,147,958,644.57/186,736.19
  6. Step 6: Final answer
    x = 102,540.16

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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.