Home / 151,841.16-209,540.81-88,183.06

Finding the Fourth Proportional to 151,841.16, 209,540.81 and 88,183.06

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Solution

The fourth proportional to 151,841.16, 209,540.81 and 88,183.06 is: 121,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,841.16 : 209,540.81 = 88,183.06 : x
  2. Step 2: Convert to fraction form
    151,841.16/209,540.81 = 88,183.06/x
  3. Step 3: Cross multiply
    151,841.16x = 209,540.81 × 88,183.06
  4. Step 4: Simplify right side
    151,841.16x = 18,477,949,517.28
  5. Step 5: Solve for x
    x = 18,477,949,517.28/151,841.16
  6. Step 6: Final answer
    x = 121,692.63

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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.