Home / 186,161.33-279,047.56-91,260.11

Finding the Fourth Proportional to 186,161.33, 279,047.56 and 91,260.11

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Solution

The fourth proportional to 186,161.33, 279,047.56 and 91,260.11 is: 136,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,161.33 : 279,047.56 = 91,260.11 : x
  2. Step 2: Convert to fraction form
    186,161.33/279,047.56 = 91,260.11/x
  3. Step 3: Cross multiply
    186,161.33x = 279,047.56 × 91,260.11
  4. Step 4: Simplify right side
    186,161.33x = 25,465,911,020.83
  5. Step 5: Solve for x
    x = 25,465,911,020.83/186,161.33
  6. Step 6: Final answer
    x = 136,794.85

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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.