Home / 209,067.58-288,511.68-113,574.97

Finding the Fourth Proportional to 209,067.58, 288,511.68 and 113,574.97

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Solution

The fourth proportional to 209,067.58, 288,511.68 and 113,574.97 is: 156,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,067.58 : 288,511.68 = 113,574.97 : x
  2. Step 2: Convert to fraction form
    209,067.58/288,511.68 = 113,574.97/x
  3. Step 3: Cross multiply
    209,067.58x = 288,511.68 × 113,574.97
  4. Step 4: Simplify right side
    209,067.58x = 32,767,705,400.65
  5. Step 5: Solve for x
    x = 32,767,705,400.65/209,067.58
  6. Step 6: Final answer
    x = 156,732.60

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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.