Home / 205,231.57-283,256.42-122,450.88

Finding the Fourth Proportional to 205,231.57, 283,256.42 and 122,450.88

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Solution

The fourth proportional to 205,231.57, 283,256.42 and 122,450.88 is: 169,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231.57 : 283,256.42 = 122,450.88 : x
  2. Step 2: Convert to fraction form
    205,231.57/283,256.42 = 122,450.88/x
  3. Step 3: Cross multiply
    205,231.57x = 283,256.42 × 122,450.88
  4. Step 4: Simplify right side
    205,231.57x = 34,684,997,282.40
  5. Step 5: Solve for x
    x = 34,684,997,282.40/205,231.57
  6. Step 6: Final answer
    x = 169,004.20

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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.