Home / 135,914.82-187,563.63-75,486.52

Finding the Fourth Proportional to 135,914.82, 187,563.63 and 75,486.52

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Solution

The fourth proportional to 135,914.82, 187,563.63 and 75,486.52 is: 104,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,914.82 : 187,563.63 = 75,486.52 : x
  2. Step 2: Convert to fraction form
    135,914.82/187,563.63 = 75,486.52/x
  3. Step 3: Cross multiply
    135,914.82x = 187,563.63 × 75,486.52
  4. Step 4: Simplify right side
    135,914.82x = 14,158,525,707.27
  5. Step 5: Solve for x
    x = 14,158,525,707.27/135,914.82
  6. Step 6: Final answer
    x = 104,172.05

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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.