Home / 185,789.44-256,405.29-105,231.31

Finding the Fourth Proportional to 185,789.44, 256,405.29 and 105,231.31

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Solution

The fourth proportional to 185,789.44, 256,405.29 and 105,231.31 is: 145,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,789.44 : 256,405.29 = 105,231.31 : x
  2. Step 2: Convert to fraction form
    185,789.44/256,405.29 = 105,231.31/x
  3. Step 3: Cross multiply
    185,789.44x = 256,405.29 × 105,231.31
  4. Step 4: Simplify right side
    185,789.44x = 26,981,864,557.63
  5. Step 5: Solve for x
    x = 26,981,864,557.63/185,789.44
  6. Step 6: Final answer
    x = 145,228.19

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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.