Home / 209,310.78-289,609.50-182,509.14

Finding the Fourth Proportional to 209,310.78, 289,609.50 and 182,509.14

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Solution

The fourth proportional to 209,310.78, 289,609.50 and 182,509.14 is: 252,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,310.78 : 289,609.50 = 182,509.14 : x
  2. Step 2: Convert to fraction form
    209,310.78/289,609.50 = 182,509.14/x
  3. Step 3: Cross multiply
    209,310.78x = 289,609.50 × 182,509.14
  4. Step 4: Simplify right side
    209,310.78x = 52,856,380,780.83
  5. Step 5: Solve for x
    x = 52,856,380,780.83/209,310.78
  6. Step 6: Final answer
    x = 252,525.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.