Home / 186,494.20-279,741.30-156,969.70

Finding the Fourth Proportional to 186,494.20, 279,741.30 and 156,969.70

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Solution

The fourth proportional to 186,494.20, 279,741.30 and 156,969.70 is: 235,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,494.20 : 279,741.30 = 156,969.70 : x
  2. Step 2: Convert to fraction form
    186,494.20/279,741.30 = 156,969.70/x
  3. Step 3: Cross multiply
    186,494.20x = 279,741.30 × 156,969.70
  4. Step 4: Simplify right side
    186,494.20x = 43,910,907,938.61
  5. Step 5: Solve for x
    x = 43,910,907,938.61/186,494.20
  6. Step 6: Final answer
    x = 235,454.55

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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.