Home / 165,936.44-228,991.85-90,484.94

Finding the Fourth Proportional to 165,936.44, 228,991.85 and 90,484.94

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Solution

The fourth proportional to 165,936.44, 228,991.85 and 90,484.94 is: 124,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.44 : 228,991.85 = 90,484.94 : x
  2. Step 2: Convert to fraction form
    165,936.44/228,991.85 = 90,484.94/x
  3. Step 3: Cross multiply
    165,936.44x = 228,991.85 × 90,484.94
  4. Step 4: Simplify right side
    165,936.44x = 20,720,312,210.36
  5. Step 5: Solve for x
    x = 20,720,312,210.36/165,936.44
  6. Step 6: Final answer
    x = 124,868.97

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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.