Home / 195,145.83-269,286.38-118,654.30

Finding the Fourth Proportional to 195,145.83, 269,286.38 and 118,654.30

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Solution

The fourth proportional to 195,145.83, 269,286.38 and 118,654.30 is: 163,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,145.83 : 269,286.38 = 118,654.30 : x
  2. Step 2: Convert to fraction form
    195,145.83/269,286.38 = 118,654.30/x
  3. Step 3: Cross multiply
    195,145.83x = 269,286.38 × 118,654.30
  4. Step 4: Simplify right side
    195,145.83x = 31,951,985,651.95
  5. Step 5: Solve for x
    x = 31,951,985,651.95/195,145.83
  6. Step 6: Final answer
    x = 163,733.89

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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.