Home / 186,308.58-279,244.14-86,257.41

Finding the Fourth Proportional to 186,308.58, 279,244.14 and 86,257.41

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Solution

The fourth proportional to 186,308.58, 279,244.14 and 86,257.41 is: 129,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,308.58 : 279,244.14 = 86,257.41 : x
  2. Step 2: Convert to fraction form
    186,308.58/279,244.14 = 86,257.41/x
  3. Step 3: Cross multiply
    186,308.58x = 279,244.14 × 86,257.41
  4. Step 4: Simplify right side
    186,308.58x = 24,086,876,274.08
  5. Step 5: Solve for x
    x = 24,086,876,274.08/186,308.58
  6. Step 6: Final answer
    x = 129,284.85

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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.