Home / 186,493.59-279,760.23-68,190.66

Finding the Fourth Proportional to 186,493.59, 279,760.23 and 68,190.66

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Solution

The fourth proportional to 186,493.59, 279,760.23 and 68,190.66 is: 102,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,493.59 : 279,760.23 = 68,190.66 : x
  2. Step 2: Convert to fraction form
    186,493.59/279,760.23 = 68,190.66/x
  3. Step 3: Cross multiply
    186,493.59x = 279,760.23 × 68,190.66
  4. Step 4: Simplify right side
    186,493.59x = 19,077,034,725.45
  5. Step 5: Solve for x
    x = 19,077,034,725.45/186,493.59
  6. Step 6: Final answer
    x = 102,293.25

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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.