Home / 186,966.76-258,003.90-102,081.88

Finding the Fourth Proportional to 186,966.76, 258,003.90 and 102,081.88

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Solution

The fourth proportional to 186,966.76, 258,003.90 and 102,081.88 is: 140,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,966.76 : 258,003.90 = 102,081.88 : x
  2. Step 2: Convert to fraction form
    186,966.76/258,003.90 = 102,081.88/x
  3. Step 3: Cross multiply
    186,966.76x = 258,003.90 × 102,081.88
  4. Step 4: Simplify right side
    186,966.76x = 26,337,523,159.33
  5. Step 5: Solve for x
    x = 26,337,523,159.33/186,966.76
  6. Step 6: Final answer
    x = 140,867.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.