Home / 135,601.02-187,131.30-74,352.96

Finding the Fourth Proportional to 135,601.02, 187,131.30 and 74,352.96

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Solution

The fourth proportional to 135,601.02, 187,131.30 and 74,352.96 is: 102,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,601.02 : 187,131.30 = 74,352.96 : x
  2. Step 2: Convert to fraction form
    135,601.02/187,131.30 = 74,352.96/x
  3. Step 3: Cross multiply
    135,601.02x = 187,131.30 × 74,352.96
  4. Step 4: Simplify right side
    135,601.02x = 13,913,766,063.65
  5. Step 5: Solve for x
    x = 13,913,766,063.65/135,601.02
  6. Step 6: Final answer
    x = 102,608.12

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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.