Home / 165,530.96-228,219.24-120,274.64

Finding the Fourth Proportional to 165,530.96, 228,219.24 and 120,274.64

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Solution

The fourth proportional to 165,530.96, 228,219.24 and 120,274.64 is: 165,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.96 : 228,219.24 = 120,274.64 : x
  2. Step 2: Convert to fraction form
    165,530.96/228,219.24 = 120,274.64/x
  3. Step 3: Cross multiply
    165,530.96x = 228,219.24 × 120,274.64
  4. Step 4: Simplify right side
    165,530.96x = 27,448,986,932.07
  5. Step 5: Solve for x
    x = 27,448,986,932.07/165,530.96
  6. Step 6: Final answer
    x = 165,823.89

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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.