Home / 135,935.44-187,643.22-90,596.88

Finding the Fourth Proportional to 135,935.44, 187,643.22 and 90,596.88

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Solution

The fourth proportional to 135,935.44, 187,643.22 and 90,596.88 is: 125,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,935.44 : 187,643.22 = 90,596.88 : x
  2. Step 2: Convert to fraction form
    135,935.44/187,643.22 = 90,596.88/x
  3. Step 3: Cross multiply
    135,935.44x = 187,643.22 × 90,596.88
  4. Step 4: Simplify right side
    135,935.44x = 16,999,889,120.45
  5. Step 5: Solve for x
    x = 16,999,889,120.45/135,935.44
  6. Step 6: Final answer
    x = 125,058.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.