Home / 135,743.16-203,675.22-52,643.64

Finding the Fourth Proportional to 135,743.16, 203,675.22 and 52,643.64

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Solution

The fourth proportional to 135,743.16, 203,675.22 and 52,643.64 is: 78,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,743.16 : 203,675.22 = 52,643.64 : x
  2. Step 2: Convert to fraction form
    135,743.16/203,675.22 = 52,643.64/x
  3. Step 3: Cross multiply
    135,743.16x = 203,675.22 × 52,643.64
  4. Step 4: Simplify right side
    135,743.16x = 10,722,204,958.60
  5. Step 5: Solve for x
    x = 10,722,204,958.60/135,743.16
  6. Step 6: Final answer
    x = 78,988.92

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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.