Home / 205,323.20-283,345.44-115,899.20

Finding the Fourth Proportional to 205,323.20, 283,345.44 and 115,899.20

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Solution

The fourth proportional to 205,323.20, 283,345.44 and 115,899.20 is: 159,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,323.20 : 283,345.44 = 115,899.20 : x
  2. Step 2: Convert to fraction form
    205,323.20/283,345.44 = 115,899.20/x
  3. Step 3: Cross multiply
    205,323.20x = 283,345.44 × 115,899.20
  4. Step 4: Simplify right side
    205,323.20x = 32,839,509,819.65
  5. Step 5: Solve for x
    x = 32,839,509,819.65/205,323.20
  6. Step 6: Final answer
    x = 159,940.57

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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.