Home / 185,615.73-256,135.59-109,137.96

Finding the Fourth Proportional to 185,615.73, 256,135.59 and 109,137.96

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Solution

The fourth proportional to 185,615.73, 256,135.59 and 109,137.96 is: 150,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.73 : 256,135.59 = 109,137.96 : x
  2. Step 2: Convert to fraction form
    185,615.73/256,135.59 = 109,137.96/x
  3. Step 3: Cross multiply
    185,615.73x = 256,135.59 × 109,137.96
  4. Step 4: Simplify right side
    185,615.73x = 27,954,115,776.00
  5. Step 5: Solve for x
    x = 27,954,115,776.00/185,615.73
  6. Step 6: Final answer
    x = 150,602.08

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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.