Home / 179,987.56-269,789.50-135,476.68

Finding the Fourth Proportional to 179,987.56, 269,789.50 and 135,476.68

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Solution

The fourth proportional to 179,987.56, 269,789.50 and 135,476.68 is: 203,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,987.56 : 269,789.50 = 135,476.68 : x
  2. Step 2: Convert to fraction form
    179,987.56/269,789.50 = 135,476.68/x
  3. Step 3: Cross multiply
    179,987.56x = 269,789.50 × 135,476.68
  4. Step 4: Simplify right side
    179,987.56x = 36,550,185,758.86
  5. Step 5: Solve for x
    x = 36,550,185,758.86/179,987.56
  6. Step 6: Final answer
    x = 203,070.62

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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.