Home / 186,456.33-279,350.07-113,293.21

Finding the Fourth Proportional to 186,456.33, 279,350.07 and 113,293.21

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Solution

The fourth proportional to 186,456.33, 279,350.07 and 113,293.21 is: 169,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,456.33 : 279,350.07 = 113,293.21 : x
  2. Step 2: Convert to fraction form
    186,456.33/279,350.07 = 113,293.21/x
  3. Step 3: Cross multiply
    186,456.33x = 279,350.07 × 113,293.21
  4. Step 4: Simplify right side
    186,456.33x = 31,648,464,758.91
  5. Step 5: Solve for x
    x = 31,648,464,758.91/186,456.33
  6. Step 6: Final answer
    x = 169,736.61

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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.