Home / 165,585.06-228,475.89-105,165.54

Finding the Fourth Proportional to 165,585.06, 228,475.89 and 105,165.54

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Solution

The fourth proportional to 165,585.06, 228,475.89 and 105,165.54 is: 145,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,585.06 : 228,475.89 = 105,165.54 : x
  2. Step 2: Convert to fraction form
    165,585.06/228,475.89 = 105,165.54/x
  3. Step 3: Cross multiply
    165,585.06x = 228,475.89 × 105,165.54
  4. Step 4: Simplify right side
    165,585.06x = 24,027,790,348.83
  5. Step 5: Solve for x
    x = 24,027,790,348.83/165,585.06
  6. Step 6: Final answer
    x = 145,108.44

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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.