Home / 259,766.20-389,649.30-175,566.70

Finding the Fourth Proportional to 259,766.20, 389,649.30 and 175,566.70

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Solution

The fourth proportional to 259,766.20, 389,649.30 and 175,566.70 is: 263,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,766.20 : 389,649.30 = 175,566.70 : x
  2. Step 2: Convert to fraction form
    259,766.20/389,649.30 = 175,566.70/x
  3. Step 3: Cross multiply
    259,766.20x = 389,649.30 × 175,566.70
  4. Step 4: Simplify right side
    259,766.20x = 68,409,441,758.31
  5. Step 5: Solve for x
    x = 68,409,441,758.31/259,766.20
  6. Step 6: Final answer
    x = 263,350.05

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1.5x scale

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.