Home / 186,568.56-279,852.75-68,175.30

Finding the Fourth Proportional to 186,568.56, 279,852.75 and 68,175.30

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Solution

The fourth proportional to 186,568.56, 279,852.75 and 68,175.30 is: 102,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,568.56 : 279,852.75 = 68,175.30 : x
  2. Step 2: Convert to fraction form
    186,568.56/279,852.75 = 68,175.30/x
  3. Step 3: Cross multiply
    186,568.56x = 279,852.75 × 68,175.30
  4. Step 4: Simplify right side
    186,568.56x = 19,079,045,187.08
  5. Step 5: Solve for x
    x = 19,079,045,187.08/186,568.56
  6. Step 6: Final answer
    x = 102,262.92

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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.