Home / 185,606.24-256,135.11-100,723.30

Finding the Fourth Proportional to 185,606.24, 256,135.11 and 100,723.30

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Solution

The fourth proportional to 185,606.24, 256,135.11 and 100,723.30 is: 138,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,606.24 : 256,135.11 = 100,723.30 : x
  2. Step 2: Convert to fraction form
    185,606.24/256,135.11 = 100,723.30/x
  3. Step 3: Cross multiply
    185,606.24x = 256,135.11 × 100,723.30
  4. Step 4: Simplify right side
    185,606.24x = 25,798,773,525.06
  5. Step 5: Solve for x
    x = 25,798,773,525.06/185,606.24
  6. Step 6: Final answer
    x = 138,997.34

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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.