Home / 209,170.22-288,654.77-113,676.93

Finding the Fourth Proportional to 209,170.22, 288,654.77 and 113,676.93

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Solution

The fourth proportional to 209,170.22, 288,654.77 and 113,676.93 is: 156,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,170.22 : 288,654.77 = 113,676.93 : x
  2. Step 2: Convert to fraction form
    209,170.22/288,654.77 = 113,676.93/x
  3. Step 3: Cross multiply
    209,170.22x = 288,654.77 × 113,676.93
  4. Step 4: Simplify right side
    209,170.22x = 32,813,388,367.65
  5. Step 5: Solve for x
    x = 32,813,388,367.65/209,170.22
  6. Step 6: Final answer
    x = 156,874.10

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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.