Home / 185,654.25-256,203.18-100,771.31

Finding the Fourth Proportional to 185,654.25, 256,203.18 and 100,771.31

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Solution

The fourth proportional to 185,654.25, 256,203.18 and 100,771.31 is: 139,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654.25 : 256,203.18 = 100,771.31 : x
  2. Step 2: Convert to fraction form
    185,654.25/256,203.18 = 100,771.31/x
  3. Step 3: Cross multiply
    185,654.25x = 256,203.18 × 100,771.31
  4. Step 4: Simplify right side
    185,654.25x = 25,817,930,715.27
  5. Step 5: Solve for x
    x = 25,817,930,715.27/185,654.25
  6. Step 6: Final answer
    x = 139,064.58

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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.