Home / 203,066.60-280,305.51-118,183.66

Finding the Fourth Proportional to 203,066.60, 280,305.51 and 118,183.66

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Solution

The fourth proportional to 203,066.60, 280,305.51 and 118,183.66 is: 163,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,066.60 : 280,305.51 = 118,183.66 : x
  2. Step 2: Convert to fraction form
    203,066.60/280,305.51 = 118,183.66/x
  3. Step 3: Cross multiply
    203,066.60x = 280,305.51 × 118,183.66
  4. Step 4: Simplify right side
    203,066.60x = 33,127,530,610.80
  5. Step 5: Solve for x
    x = 33,127,530,610.80/203,066.60
  6. Step 6: Final answer
    x = 163,136.29

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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.