Home / 186,140.07-279,351.45-136,349.37

Finding the Fourth Proportional to 186,140.07, 279,351.45 and 136,349.37

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Solution

The fourth proportional to 186,140.07, 279,351.45 and 136,349.37 is: 204,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,140.07 : 279,351.45 = 136,349.37 : x
  2. Step 2: Convert to fraction form
    186,140.07/279,351.45 = 136,349.37/x
  3. Step 3: Cross multiply
    186,140.07x = 279,351.45 × 136,349.37
  4. Step 4: Simplify right side
    186,140.07x = 38,089,394,216.09
  5. Step 5: Solve for x
    x = 38,089,394,216.09/186,140.07
  6. Step 6: Final answer
    x = 204,627.59

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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.