Home / 209,197.56-288,694.89-113,704.29

Finding the Fourth Proportional to 209,197.56, 288,694.89 and 113,704.29

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Solution

The fourth proportional to 209,197.56, 288,694.89 and 113,704.29 is: 156,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,197.56 : 288,694.89 = 113,704.29 : x
  2. Step 2: Convert to fraction form
    209,197.56/288,694.89 = 113,704.29/x
  3. Step 3: Cross multiply
    209,197.56x = 288,694.89 × 113,704.29
  4. Step 4: Simplify right side
    209,197.56x = 32,825,847,494.08
  5. Step 5: Solve for x
    x = 32,825,847,494.08/209,197.56
  6. Step 6: Final answer
    x = 156,913.15

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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.