Home / 186,515.96-279,804.92-74,197.26

Finding the Fourth Proportional to 186,515.96, 279,804.92 and 74,197.26

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Solution

The fourth proportional to 186,515.96, 279,804.92 and 74,197.26 is: 111,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,515.96 : 279,804.92 = 74,197.26 : x
  2. Step 2: Convert to fraction form
    186,515.96/279,804.92 = 74,197.26/x
  3. Step 3: Cross multiply
    186,515.96x = 279,804.92 × 74,197.26
  4. Step 4: Simplify right side
    186,515.96x = 20,760,758,027.53
  5. Step 5: Solve for x
    x = 20,760,758,027.53/186,515.96
  6. Step 6: Final answer
    x = 111,308.22

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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.