Home / 206,781.15-285,358.05-116,137.25

Finding the Fourth Proportional to 206,781.15, 285,358.05 and 116,137.25

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Solution

The fourth proportional to 206,781.15, 285,358.05 and 116,137.25 is: 160,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,781.15 : 285,358.05 = 116,137.25 : x
  2. Step 2: Convert to fraction form
    206,781.15/285,358.05 = 116,137.25/x
  3. Step 3: Cross multiply
    206,781.15x = 285,358.05 × 116,137.25
  4. Step 4: Simplify right side
    206,781.15x = 33,140,697,765.57
  5. Step 5: Solve for x
    x = 33,140,697,765.57/206,781.15
  6. Step 6: Final answer
    x = 160,269.43

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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.