Home / 205,633.44-283,796.40-120,762.72

Finding the Fourth Proportional to 205,633.44, 283,796.40 and 120,762.72

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Solution

The fourth proportional to 205,633.44, 283,796.40 and 120,762.72 is: 166,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,633.44 : 283,796.40 = 120,762.72 : x
  2. Step 2: Convert to fraction form
    205,633.44/283,796.40 = 120,762.72/x
  3. Step 3: Cross multiply
    205,633.44x = 283,796.40 × 120,762.72
  4. Step 4: Simplify right side
    205,633.44x = 34,272,025,190.21
  5. Step 5: Solve for x
    x = 34,272,025,190.21/205,633.44
  6. Step 6: Final answer
    x = 166,665.62

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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.