Home / 165,643.36-228,529.55-108,316.22

Finding the Fourth Proportional to 165,643.36, 228,529.55 and 108,316.22

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Solution

The fourth proportional to 165,643.36, 228,529.55 and 108,316.22 is: 149,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.36 : 228,529.55 = 108,316.22 : x
  2. Step 2: Convert to fraction form
    165,643.36/228,529.55 = 108,316.22/x
  3. Step 3: Cross multiply
    165,643.36x = 228,529.55 × 108,316.22
  4. Step 4: Simplify right side
    165,643.36x = 24,753,456,142.44
  5. Step 5: Solve for x
    x = 24,753,456,142.44/165,643.36
  6. Step 6: Final answer
    x = 149,438.27

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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.