Home / 260,764.20-391,146.30-186,114.60

Finding the Fourth Proportional to 260,764.20, 391,146.30 and 186,114.60

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Solution

The fourth proportional to 260,764.20, 391,146.30 and 186,114.60 is: 279,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,764.20 : 391,146.30 = 186,114.60 : x
  2. Step 2: Convert to fraction form
    260,764.20/391,146.30 = 186,114.60/x
  3. Step 3: Cross multiply
    260,764.20x = 391,146.30 × 186,114.60
  4. Step 4: Simplify right side
    260,764.20x = 72,798,037,165.98
  5. Step 5: Solve for x
    x = 72,798,037,165.98/260,764.20
  6. Step 6: Final answer
    x = 279,171.90

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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.