Home / 259,784.20-389,676.30-175,584.70

Finding the Fourth Proportional to 259,784.20, 389,676.30 and 175,584.70

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Solution

The fourth proportional to 259,784.20, 389,676.30 and 175,584.70 is: 263,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,784.20 : 389,676.30 = 175,584.70 : x
  2. Step 2: Convert to fraction form
    259,784.20/389,676.30 = 175,584.70/x
  3. Step 3: Cross multiply
    259,784.20x = 389,676.30 × 175,584.70
  4. Step 4: Simplify right side
    259,784.20x = 68,421,196,232.61
  5. Step 5: Solve for x
    x = 68,421,196,232.61/259,784.20
  6. Step 6: Final answer
    x = 263,377.05

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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.