Home / 271,236.36-406,808.10-71,558.81

Finding the Fourth Proportional to 271,236.36, 406,808.10 and 71,558.81

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Solution

The fourth proportional to 271,236.36, 406,808.10 and 71,558.81 is: 107,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,236.36 : 406,808.10 = 71,558.81 : x
  2. Step 2: Convert to fraction form
    271,236.36/406,808.10 = 71,558.81/x
  3. Step 3: Cross multiply
    271,236.36x = 406,808.10 × 71,558.81
  4. Step 4: Simplify right side
    271,236.36x = 29,110,701,500.32
  5. Step 5: Solve for x
    x = 29,110,701,500.32/271,236.36
  6. Step 6: Final answer
    x = 107,325.96

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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.