Home / 165,647.12-228,534.72-108,319.97

Finding the Fourth Proportional to 165,647.12, 228,534.72 and 108,319.97

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Solution

The fourth proportional to 165,647.12, 228,534.72 and 108,319.97 is: 149,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,647.12 : 228,534.72 = 108,319.97 : x
  2. Step 2: Convert to fraction form
    165,647.12/228,534.72 = 108,319.97/x
  3. Step 3: Cross multiply
    165,647.12x = 228,534.72 × 108,319.97
  4. Step 4: Simplify right side
    165,647.12x = 24,754,872,871.68
  5. Step 5: Solve for x
    x = 24,754,872,871.68/165,647.12
  6. Step 6: Final answer
    x = 149,443.43

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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.