Home / 135,203.07-202,789.11-35,372.90

Finding the Fourth Proportional to 135,203.07, 202,789.11 and 35,372.90

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Solution

The fourth proportional to 135,203.07, 202,789.11 and 35,372.90 is: 53,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,203.07 : 202,789.11 = 35,372.90 : x
  2. Step 2: Convert to fraction form
    135,203.07/202,789.11 = 35,372.90/x
  3. Step 3: Cross multiply
    135,203.07x = 202,789.11 × 35,372.90
  4. Step 4: Simplify right side
    135,203.07x = 7,173,237,895.17
  5. Step 5: Solve for x
    x = 7,173,237,895.17/135,203.07
  6. Step 6: Final answer
    x = 53,055.29

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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.