Home / 338,885.18-507,997.26-161,344.52

Finding the Fourth Proportional to 338,885.18, 507,997.26 and 161,344.52

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Solution

The fourth proportional to 338,885.18, 507,997.26 and 161,344.52 is: 241,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,885.18 : 507,997.26 = 161,344.52 : x
  2. Step 2: Convert to fraction form
    338,885.18/507,997.26 = 161,344.52/x
  3. Step 3: Cross multiply
    338,885.18x = 507,997.26 × 161,344.52
  4. Step 4: Simplify right side
    338,885.18x = 81,962,574,076.02
  5. Step 5: Solve for x
    x = 81,962,574,076.02/338,885.18
  6. Step 6: Final answer
    x = 241,859.42

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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.