Home / 123,427.56-185,147.64-39,181.26

Finding the Fourth Proportional to 123,427.56, 185,147.64 and 39,181.26

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Solution

The fourth proportional to 123,427.56, 185,147.64 and 39,181.26 is: 58,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.56 : 185,147.64 = 39,181.26 : x
  2. Step 2: Convert to fraction form
    123,427.56/185,147.64 = 39,181.26/x
  3. Step 3: Cross multiply
    123,427.56x = 185,147.64 × 39,181.26
  4. Step 4: Simplify right side
    123,427.56x = 7,254,317,821.23
  5. Step 5: Solve for x
    x = 7,254,317,821.23/123,427.56
  6. Step 6: Final answer
    x = 58,773.89

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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.