Home / 215,090.24-322,676.06-71,004.20

Finding the Fourth Proportional to 215,090.24, 322,676.06 and 71,004.20

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Solution

The fourth proportional to 215,090.24, 322,676.06 and 71,004.20 is: 106,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,090.24 : 322,676.06 = 71,004.20 : x
  2. Step 2: Convert to fraction form
    215,090.24/322,676.06 = 71,004.20/x
  3. Step 3: Cross multiply
    215,090.24x = 322,676.06 × 71,004.20
  4. Step 4: Simplify right side
    215,090.24x = 22,911,353,531.05
  5. Step 5: Solve for x
    x = 22,911,353,531.05/215,090.24
  6. Step 6: Final answer
    x = 106,519.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.