Home / 185,619.73-256,141.11-109,141.96

Finding the Fourth Proportional to 185,619.73, 256,141.11 and 109,141.96

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Solution

The fourth proportional to 185,619.73, 256,141.11 and 109,141.96 is: 150,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,619.73 : 256,141.11 = 109,141.96 : x
  2. Step 2: Convert to fraction form
    185,619.73/256,141.11 = 109,141.96/x
  3. Step 3: Cross multiply
    185,619.73x = 256,141.11 × 109,141.96
  4. Step 4: Simplify right side
    185,619.73x = 27,955,742,781.98
  5. Step 5: Solve for x
    x = 27,955,742,781.98/185,619.73
  6. Step 6: Final answer
    x = 150,607.60

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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.