Home / 165,786.24-228,861.84-97,780.32

Finding the Fourth Proportional to 165,786.24, 228,861.84 and 97,780.32

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Solution

The fourth proportional to 165,786.24, 228,861.84 and 97,780.32 is: 134,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.24 : 228,861.84 = 97,780.32 : x
  2. Step 2: Convert to fraction form
    165,786.24/228,861.84 = 97,780.32/x
  3. Step 3: Cross multiply
    165,786.24x = 228,861.84 × 97,780.32
  4. Step 4: Simplify right side
    165,786.24x = 22,378,183,950.99
  5. Step 5: Solve for x
    x = 22,378,183,950.99/165,786.24
  6. Step 6: Final answer
    x = 134,982.16

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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.