Home / 186,105.03-279,185.26-86,275.34

Finding the Fourth Proportional to 186,105.03, 279,185.26 and 86,275.34

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Solution

The fourth proportional to 186,105.03, 279,185.26 and 86,275.34 is: 129,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,105.03 : 279,185.26 = 86,275.34 : x
  2. Step 2: Convert to fraction form
    186,105.03/279,185.26 = 86,275.34/x
  3. Step 3: Cross multiply
    186,105.03x = 279,185.26 × 86,275.34
  4. Step 4: Simplify right side
    186,105.03x = 24,086,803,229.49
  5. Step 5: Solve for x
    x = 24,086,803,229.49/186,105.03
  6. Step 6: Final answer
    x = 129,425.86

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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.