Home / 137,059.25-205,090.62-113,144.40

Finding the Fourth Proportional to 137,059.25, 205,090.62 and 113,144.40

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Solution

The fourth proportional to 137,059.25, 205,090.62 and 113,144.40 is: 169,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,059.25 : 205,090.62 = 113,144.40 : x
  2. Step 2: Convert to fraction form
    137,059.25/205,090.62 = 113,144.40/x
  3. Step 3: Cross multiply
    137,059.25x = 205,090.62 × 113,144.40
  4. Step 4: Simplify right side
    137,059.25x = 23,204,855,145.53
  5. Step 5: Solve for x
    x = 23,204,855,145.53/137,059.25
  6. Step 6: Final answer
    x = 169,305.29

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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.