Home / 231,316.05-346,927.60-81,562.44

Finding the Fourth Proportional to 231,316.05, 346,927.60 and 81,562.44

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Solution

The fourth proportional to 231,316.05, 346,927.60 and 81,562.44 is: 122,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,316.05 : 346,927.60 = 81,562.44 : x
  2. Step 2: Convert to fraction form
    231,316.05/346,927.60 = 81,562.44/x
  3. Step 3: Cross multiply
    231,316.05x = 346,927.60 × 81,562.44
  4. Step 4: Simplify right side
    231,316.05x = 28,296,261,559.34
  5. Step 5: Solve for x
    x = 28,296,261,559.34/231,316.05
  6. Step 6: Final answer
    x = 122,327.27

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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.