Home / 186,422.18-279,356.78-136,932.26

Finding the Fourth Proportional to 186,422.18, 279,356.78 and 136,932.26

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Solution

The fourth proportional to 186,422.18, 279,356.78 and 136,932.26 is: 205,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,422.18 : 279,356.78 = 136,932.26 : x
  2. Step 2: Convert to fraction form
    186,422.18/279,356.78 = 136,932.26/x
  3. Step 3: Cross multiply
    186,422.18x = 279,356.78 × 136,932.26
  4. Step 4: Simplify right side
    186,422.18x = 38,252,954,177.27
  5. Step 5: Solve for x
    x = 38,252,954,177.27/186,422.18
  6. Step 6: Final answer
    x = 205,195.30

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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.