Home / 165,918.20-248,877.30-156,932.60

Finding the Fourth Proportional to 165,918.20, 248,877.30 and 156,932.60

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Solution

The fourth proportional to 165,918.20, 248,877.30 and 156,932.60 is: 235,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,918.20 : 248,877.30 = 156,932.60 : x
  2. Step 2: Convert to fraction form
    165,918.20/248,877.30 = 156,932.60/x
  3. Step 3: Cross multiply
    165,918.20x = 248,877.30 × 156,932.60
  4. Step 4: Simplify right side
    165,918.20x = 39,056,961,769.98
  5. Step 5: Solve for x
    x = 39,056,961,769.98/165,918.20
  6. Step 6: Final answer
    x = 235,398.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.