Home / 165,644.36-228,530.93-108,317.22

Finding the Fourth Proportional to 165,644.36, 228,530.93 and 108,317.22

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Solution

The fourth proportional to 165,644.36, 228,530.93 and 108,317.22 is: 149,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,644.36 : 228,530.93 = 108,317.22 : x
  2. Step 2: Convert to fraction form
    165,644.36/228,530.93 = 108,317.22/x
  3. Step 3: Cross multiply
    165,644.36x = 228,530.93 × 108,317.22
  4. Step 4: Simplify right side
    165,644.36x = 24,753,835,021.61
  5. Step 5: Solve for x
    x = 24,753,835,021.61/165,644.36
  6. Step 6: Final answer
    x = 149,439.65

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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.